My Quote Request
5310-01-103-7937
20 Products
810-1385832 PIECE 16
WASHER,FLAT
NSN, MFG P/N
5310011037937
NSN
5310-01-103-7937
MFG
NAVAL SHIP SYSTEMS COMMAND
Description
CENTER HOLE SHAPE STYLE: 1 ROUND
CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR
HARDNESS RATING: 40.0 SHORE DUROMETER A MINIMUM AND 50.0 SHORE DUROMETER A MAXIMUM
HOLE DIAMETER: 0.281 INCHES NOMINAL
MATERIAL: RUBBER SYNTHETIC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER: 1.000 INCHES NOMINAL
PERIPHERAL SHAPE STYLE: 1 ROUND
THICKNESS: 0.125 INCHES NOMINAL
Related Searches:
25-108
NUT,PLAIN,HEXAGON
NSN, MFG P/N
5310011037774
NSN
5310-01-103-7774
MFG
CNH AMERICA LLC
Description
NUT,PLAIN,HEXAGON
Related Searches:
R24694
WASHER,FLAT
NSN, MFG P/N
5310011037812
NSN
5310-01-103-7812
MFG
CNH AMERICA LLC
Description
WASHER,FLAT
Related Searches:
S236M0024P002
WASHER,LOCK
NSN, MFG P/N
5310011037814
NSN
5310-01-103-7814
MFG
RAYTHEON TECHNICAL SERVICES COMPANY LLC DBA RAYTHEON
Description
WASHER,LOCK
Related Searches:
S236M0024P002
WASHER,LOCK
NSN, MFG P/N
5310011037814
NSN
5310-01-103-7814
MFG
RAYTHEON COMPANY DBA RAYTHEON
Description
WASHER,LOCK
Related Searches:
313-0501-010
NUT,PLAIN,HEXAGON
NSN, MFG P/N
5310011037923
NSN
5310-01-103-7923
MFG
ROCKWELL COLLINS INC. DBA GOVERNMENT SYSTEMS DIV GOVERNMENT SYSTEMS
Description
BEARING SURFACE TYPE: CHAMFERED
DESIGN CONTROL REFERENCE: 313-0501-010
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 13499
MATERIAL: COPPER ALLOY OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT HEIGHT: 0.062 INCHES NOMINAL
NUT STYLE: A12 HEXAGON
SURFACE TREATMENT: NICKEL OVERALL
TEMP RATING: NOT RATED
THE MANUFACTURERS DATA:
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNS
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL
Related Searches:
7002
NUT,PLAIN,HEXAGON
NSN, MFG P/N
5310011037923
NSN
5310-01-103-7923
MFG
C AND K COMPONENTS INC
Description
BEARING SURFACE TYPE: CHAMFERED
DESIGN CONTROL REFERENCE: 313-0501-010
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 13499
MATERIAL: COPPER ALLOY OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT HEIGHT: 0.062 INCHES NOMINAL
NUT STYLE: A12 HEXAGON
SURFACE TREATMENT: NICKEL OVERALL
TEMP RATING: NOT RATED
THE MANUFACTURERS DATA:
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNS
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL
Related Searches:
700201201
NUT,PLAIN,HEXAGON
NSN, MFG P/N
5310011037923
NSN
5310-01-103-7923
MFG
C AND K COMPONENTS INC
Description
BEARING SURFACE TYPE: CHAMFERED
DESIGN CONTROL REFERENCE: 313-0501-010
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 13499
MATERIAL: COPPER ALLOY OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT HEIGHT: 0.062 INCHES NOMINAL
NUT STYLE: A12 HEXAGON
SURFACE TREATMENT: NICKEL OVERALL
TEMP RATING: NOT RATED
THE MANUFACTURERS DATA:
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNS
WIDTH ACROSS FLATS: 0.312 INCHES NOMINAL
Related Searches:
1650-2
NUT,PLAIN,CLINCH
NSN, MFG P/N
5310011037925
NSN
5310-01-103-7925
MFG
KEYSTONE ELECTRONICS CORP.
Description
DESIGN CONTROL REFERENCE: 1650-2
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 91833
MATERIAL: COPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.112 INCHES
NUT DIAMETER: 0.250 INCHES NOMINAL
NUT HEIGHT: 0.359 INCHES NOMINAL
NUT STYLE: A61 CLINCH
PILOT DIAMETER: 0.187 INCHES NOMINAL
PILOT LENGTH: 0.109 INCHES NOMINAL
SURFACE TREATMENT: NICKEL OVERALL
TEMP RATING: NOT RATED
THE MANUFACTURERS DATA:
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNC
Related Searches:
373400
NUT,PLAIN,CLINCH
NSN, MFG P/N
5310011037925
NSN
5310-01-103-7925
MFG
SIERRA TECHNOLOGIES INC GARDEN CITY DIV
Description
DESIGN CONTROL REFERENCE: 1650-2
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 91833
MATERIAL: COPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.112 INCHES
NUT DIAMETER: 0.250 INCHES NOMINAL
NUT HEIGHT: 0.359 INCHES NOMINAL
NUT STYLE: A61 CLINCH
PILOT DIAMETER: 0.187 INCHES NOMINAL
PILOT LENGTH: 0.109 INCHES NOMINAL
SURFACE TREATMENT: NICKEL OVERALL
TEMP RATING: NOT RATED
THE MANUFACTURERS DATA:
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNC
Related Searches:
MS16994-18C
NUT,PLAIN,KNURLED
NSN, MFG P/N
5310011037932
NSN
5310-01-103-7932
MFG
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
Description
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MS16994-18C
HARDNESS RATING: NOT RATED
MANUFACTURERS CODE: 96906
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD SIZE: 0.164 INCHES
NUT DIAMETER: 0.500 INCHES NOMINAL
NUT STYLE: A101 KNURLED
NUT THICKNESS: 0.160 INCHES NOMINAL
SPEC/STD CONTROLLING DATA:
SURFACE TREATMENT: PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TEMP RATING: NOT RATED
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 32
THREAD SERIES: UNC
~1: OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 384 OR STEEL COMP 385 OVERALL
Related Searches:
136466-1
NUT,PLAIN,ROUND
NSN, MFG P/N
5310011037934
NSN
5310-01-103-7934
MFG
RAYTHEON COMPANY DBA RAYTHEON
Description
HARDNESS RATING: NOT RATED
MATERIAL: STEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT DIAMETER: 0.437 INCHES NOMINAL
NUT STYLE: A74 ROUND
NUT THICKNESS: 0.150 INCHES NOMINAL
SPECIAL FEATURES: COLOR BLACK
SURFACE TREATMENT: OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924,CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
TEMP RATING: NOT RATED
THREAD CLASS: 2B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 40
THREAD SERIES: UNS
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL
Related Searches:
78351-428
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
78351-428
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
SPS TECHNOLOGIES LLC DBA AEROSPACE DIVISION DIV AEROSPACE PRODUCTS
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
ALCOA GLOBAL FASTENERS INC.
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
ALCOA GLOBAL FASTENERS INC. DBA ALCOA FASTENING SYSTEMS DIV MICRODOT PRODUCTS
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
H50675-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
SATAIR A/S
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
LH12343-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
LH12343-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
HARVARD INDUSTRIES INC
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
LH12343-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
LH12343-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
MAC LEAN-FOGG COMPANY DBA MAC LEAN-ESNA
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
ST3M737-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
ST3M737-4
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
NSN, MFG P/N
5310011037935
NSN
5310-01-103-7935
MFG
BOEING COMPANY THE DBA BOEING
Description
HARDNESS RATING: NOT RATED
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION: DRY FILM LUBRICANT
MATERIAL: STEEL OR STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS6304 ASSN STD 1ST MATERIAL RESPONSE OR AMS6487 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 0.250 INCHES
NUT STYLE: A293 DOUBLE HEXAGON
OVERALL HEIGHT: 0.328 INCHES MAXIMUM
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2401 ASSN STD ALL TREATMENT RESPONSES OVERALL
TEMP RATING: 450.0 DEG FAHRENHEIT MAXIMUM
THREAD CLASS: 3B
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNJF
WASHER OUTSIDE DIAMETER: 0.458 INCHES MAXIMUM
WASHER THICKNESS: 0.050 INCHES NOMINAL
WIDTH ACROSS FLATS: 0.304 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
Related Searches:
627221351-002
WASHER,KEY
NSN, MFG P/N
5310011037936
NSN
5310-01-103-7936
MFG
LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
Description
DESIGN CONTROL REFERENCE: 627221351-002
EXTERNAL KEY QUANTITY: 3
EXTERNAL STRAIGHT KEY WIDTH: 0.325 INCHES MINIMUM AND 0.330 INCHES MAXIMUM
HOLE DIAMETER: 0.750 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
MANUFACTURERS CODE: 04939
MATERIAL: PLASTIC POLYCARBONATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-46144,TY 1,GR A,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER: 1.305 INCHES MINIMUM AND 1.310 INCHES MAXIMUM
STYLE DESIGNATOR: 142A KEY
THE MANUFACTURERS DATA: