My Quote Request
6210-00-231-0613
20 Products
P400R1
LENS,LIGHT
NSN, MFG P/N
6210002310613
NSN
6210-00-231-0613
MFG
EATON CORPORATION DBA FLUID POWER DIV DIV POWER AND LOAD MANAGEMENT SYSTEMS
Description
COLOR: BLACK HOLDER RED LENS
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: LC27RN2
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL
EFFECTIVE LENGTH: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 81349
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MIL-L-3661/27
OVERALL LENGTH: 0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA:
STYLE DESIGNATOR: 70 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
222713-1
LENS,LIGHT
NSN, MFG P/N
6210002310592
NSN
6210-00-231-0592
MFG
EATON ELECTRICAL INC. DBA CUTTLER HMMER CMRCL CNTRLS DIV DIV VEHICLE CONTROLS BUSINESS UNIT
Description
COLOR: NICKEL HOLDER RED LENS
EFFECTIVE DIAMETER: 0.304 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
EFFECTIVE LENGTH: 0.673 INCHES NOMINAL
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
OVERALL LENGTH: 0.875 INCHES NOMINAL
STYLE DESIGNATOR: 68 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
7902084-00
LENS,LIGHT
NSN, MFG P/N
6210002310592
NSN
6210-00-231-0592
MFG
LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV MS2
Description
COLOR: NICKEL HOLDER RED LENS
EFFECTIVE DIAMETER: 0.304 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
EFFECTIVE LENGTH: 0.673 INCHES NOMINAL
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
OVERALL LENGTH: 0.875 INCHES NOMINAL
STYLE DESIGNATOR: 68 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
222707-7
LENS,LIGHT
NSN, MFG P/N
6210002310593
NSN
6210-00-231-0593
MFG
EATON ELECTRICAL INC. DBA CUTTLER HMMER CMRCL CNTRLS DIV DIV VEHICLE CONTROLS BUSINESS UNIT
Description
COLOR: CLEAR HOLDER CLEAR LENS
DESIGN CONTROL REFERENCE: 222707-7
EFFECTIVE DIAMETER: 0.304 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
EFFECTIVE LENGTH: 0.673 INCHES NOMINAL
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 55588
MATERIAL: PLASTIC HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
OVERALL LENGTH: 0.875 INCHES NOMINAL
STYLE DESIGNATOR: 68 STOVEPIPE
SURFACE CONDITION: CONCENTRIC RINGS BACK SMOOTH FACE
THE MANUFACTURERS DATA:
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
7902084-08
LENS,LIGHT
NSN, MFG P/N
6210002310593
NSN
6210-00-231-0593
MFG
LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV MS2
Description
COLOR: CLEAR HOLDER CLEAR LENS
DESIGN CONTROL REFERENCE: 222707-7
EFFECTIVE DIAMETER: 0.304 INCHES MINIMUM AND 0.308 INCHES MAXIMUM
EFFECTIVE LENGTH: 0.673 INCHES NOMINAL
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 55588
MATERIAL: PLASTIC HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
OVERALL LENGTH: 0.875 INCHES NOMINAL
STYLE DESIGNATOR: 68 STOVEPIPE
SURFACE CONDITION: CONCENTRIC RINGS BACK SMOOTH FACE
THE MANUFACTURERS DATA:
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
121-193
LIGHT,INDICATOR
NSN, MFG P/N
6210002310600
NSN
6210-00-231-0600
MFG
AMPEX DATA SYSTEMS CORP COMPUTER PRODUCTS DIV
Description
LAMP BASE TYPE ACCOMMODATED: MIDGET FLANGED
LAMP BULB SIZE DESIGNATOR: T-1 3/4
LAMP TYPE ACCOMMODATED AND QUANTITY: 1 INCANDESCENT
MATERIAL: ALUMINUM BODY
MOUNTING METHOD: SNAP-IN
OVERALL HEIGHT: 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
OVERALL LENGTH: 1.080 INCHES MAXIMUM
OVERALL WIDTH: 1.154 INCHES MINIMUM AND 1.174 INCHES MAXIMUM
PANEL ACCOMMODATION HOLE HEIGHT: 0.870 INCHES NOMINAL
PANEL ACCOMMODATION HOLE WIDTH: 1.110 INCHES NOMINAL
PANEL THICKNESS FOR WHICH DESIGNED: 0.188 INCHES MAXIMUM
STYLE DESIGNATOR: A9 RECTANGULAR FRAME TYPE
SURFACE TREATMENT: ANODIZE BODY
TERMINAL TYPE AND QUANTITY: 2 SOLDER LUG
Related Searches:
139101048
LIGHT,INDICATOR
NSN, MFG P/N
6210002310600
NSN
6210-00-231-0600
MFG
BOSCH REXROTH GMBH LOHMANN STOLTER OHT
Description
LAMP BASE TYPE ACCOMMODATED: MIDGET FLANGED
LAMP BULB SIZE DESIGNATOR: T-1 3/4
LAMP TYPE ACCOMMODATED AND QUANTITY: 1 INCANDESCENT
MATERIAL: ALUMINUM BODY
MOUNTING METHOD: SNAP-IN
OVERALL HEIGHT: 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
OVERALL LENGTH: 1.080 INCHES MAXIMUM
OVERALL WIDTH: 1.154 INCHES MINIMUM AND 1.174 INCHES MAXIMUM
PANEL ACCOMMODATION HOLE HEIGHT: 0.870 INCHES NOMINAL
PANEL ACCOMMODATION HOLE WIDTH: 1.110 INCHES NOMINAL
PANEL THICKNESS FOR WHICH DESIGNED: 0.188 INCHES MAXIMUM
STYLE DESIGNATOR: A9 RECTANGULAR FRAME TYPE
SURFACE TREATMENT: ANODIZE BODY
TERMINAL TYPE AND QUANTITY: 2 SOLDER LUG
Related Searches:
533-0901
LIGHT,INDICATOR
NSN, MFG P/N
6210002310600
NSN
6210-00-231-0600
MFG
DIALIGHT CORPORATION
Description
LAMP BASE TYPE ACCOMMODATED: MIDGET FLANGED
LAMP BULB SIZE DESIGNATOR: T-1 3/4
LAMP TYPE ACCOMMODATED AND QUANTITY: 1 INCANDESCENT
MATERIAL: ALUMINUM BODY
MOUNTING METHOD: SNAP-IN
OVERALL HEIGHT: 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
OVERALL LENGTH: 1.080 INCHES MAXIMUM
OVERALL WIDTH: 1.154 INCHES MINIMUM AND 1.174 INCHES MAXIMUM
PANEL ACCOMMODATION HOLE HEIGHT: 0.870 INCHES NOMINAL
PANEL ACCOMMODATION HOLE WIDTH: 1.110 INCHES NOMINAL
PANEL THICKNESS FOR WHICH DESIGNED: 0.188 INCHES MAXIMUM
STYLE DESIGNATOR: A9 RECTANGULAR FRAME TYPE
SURFACE TREATMENT: ANODIZE BODY
TERMINAL TYPE AND QUANTITY: 2 SOLDER LUG
Related Searches:
539101048
LIGHT,INDICATOR
NSN, MFG P/N
6210002310600
NSN
6210-00-231-0600
MFG
EATON CORPORATION
Description
LAMP BASE TYPE ACCOMMODATED: MIDGET FLANGED
LAMP BULB SIZE DESIGNATOR: T-1 3/4
LAMP TYPE ACCOMMODATED AND QUANTITY: 1 INCANDESCENT
MATERIAL: ALUMINUM BODY
MOUNTING METHOD: SNAP-IN
OVERALL HEIGHT: 0.914 INCHES MINIMUM AND 0.934 INCHES MAXIMUM
OVERALL LENGTH: 1.080 INCHES MAXIMUM
OVERALL WIDTH: 1.154 INCHES MINIMUM AND 1.174 INCHES MAXIMUM
PANEL ACCOMMODATION HOLE HEIGHT: 0.870 INCHES NOMINAL
PANEL ACCOMMODATION HOLE WIDTH: 1.110 INCHES NOMINAL
PANEL THICKNESS FOR WHICH DESIGNED: 0.188 INCHES MAXIMUM
STYLE DESIGNATOR: A9 RECTANGULAR FRAME TYPE
SURFACE TREATMENT: ANODIZE BODY
TERMINAL TYPE AND QUANTITY: 2 SOLDER LUG
Related Searches:
121-180
LENS,LIGHT
NSN, MFG P/N
6210002310603
NSN
6210-00-231-0603
MFG
AMPEX DATA SYSTEMS CORP COMPUTER PRODUCTS DIV
Description
COLOR: SILVER HOLDER RED LENS
EFFECTIVE LENGTH: 0.431 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
EFFECTIVE WIDTH: 0.723 INCHES MINIMUM AND 0.737 INCHES MAXIMUM
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING END DIAMETER: 0.312 INCHES NOMINAL
MOUNTING METHOD: PRESS FIT
OVERALL HEIGHT: 0.963 INCHES MINIMUM AND 0.977 INCHES MAXIMUM
STYLE DESIGNATOR: 73 FLAT
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
Related Searches:
303-3471
LENS,LIGHT
NSN, MFG P/N
6210002310603
NSN
6210-00-231-0603
MFG
DIALIGHT CORPORATION
Description
COLOR: SILVER HOLDER RED LENS
EFFECTIVE LENGTH: 0.431 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
EFFECTIVE WIDTH: 0.723 INCHES MINIMUM AND 0.737 INCHES MAXIMUM
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING END DIAMETER: 0.312 INCHES NOMINAL
MOUNTING METHOD: PRESS FIT
OVERALL HEIGHT: 0.963 INCHES MINIMUM AND 0.977 INCHES MAXIMUM
STYLE DESIGNATOR: 73 FLAT
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
Related Searches:
121-194
LENS,LIGHT
NSN, MFG P/N
6210002310604
NSN
6210-00-231-0604
MFG
AMPEX DATA SYSTEMS CORP COMPUTER PRODUCTS DIV
Description
COLOR: WHITE HOLDER GREEN LENS
EFFECTIVE LENGTH: 0.431 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
EFFECTIVE WIDTH: 0.723 INCHES MINIMUM AND 0.737 INCHES MAXIMUM
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: PRESS FIT
OVERALL HEIGHT: 0.963 INCHES MINIMUM AND 0.977 INCHES MAXIMUM
STYLE DESIGNATOR: 73 FLAT
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
Related Searches:
303-3472
LENS,LIGHT
NSN, MFG P/N
6210002310604
NSN
6210-00-231-0604
MFG
DIALIGHT CORPORATION
Description
COLOR: WHITE HOLDER GREEN LENS
EFFECTIVE LENGTH: 0.431 INCHES MINIMUM AND 0.445 INCHES MAXIMUM
EFFECTIVE WIDTH: 0.723 INCHES MINIMUM AND 0.737 INCHES MAXIMUM
HOLDER SURFACE TREATMENT: NICKEL
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: COPPER ALLOY HOLDER PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: PRESS FIT
OVERALL HEIGHT: 0.963 INCHES MINIMUM AND 0.977 INCHES MAXIMUM
STYLE DESIGNATOR: 73 FLAT
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
Related Searches:
94015179
LENS,LIGHT
NSN, MFG P/N
6210002310609
NSN
6210-00-231-0609
MFG
MAGNETIC PERIPHERALS INC NORMANDALE OPNS SUB OF CONTROL DATA CORP
Description
DESIGN CONTROL REFERENCE: 94015179
INSCRIPTION: LOW TEMP FACE
MANUFACTURERS CODE: 19333
THE MANUFACTURERS DATA:
Related Searches:
94015180
LENS,LIGHT
NSN, MFG P/N
6210002310610
NSN
6210-00-231-0610
MFG
MAGNETIC PERIPHERALS INC NORMANDALE OPNS SUB OF CONTROL DATA CORP
Description
COLOR: BLACK INSCRIPTION WHITE INSCRIPTION BACKGROUND WHITE LENS
INSCRIPTION: HIGH TEMP FACE
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 2
MOUNTING METHOD: PRESS FIT
OVERALL LENGTH: 1.357 INCHES NOMINAL
OVERALL WIDTH: 0.610 INCHES NOMINAL
STYLE DESIGNATOR: 56 FLAT
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
Related Searches:
94015182
LENS,LIGHT
NSN, MFG P/N
6210002310611
NSN
6210-00-231-0611
MFG
MAGNETIC PERIPHERALS INC NORMANDALE OPNS SUB OF CONTROL DATA CORP
Description
DESIGN CONTROL REFERENCE: 94015182
INSCRIPTION: CIRCUIT BREAKER FACE
MANUFACTURERS CODE: 19333
THE MANUFACTURERS DATA:
Related Searches:
2500497-1
LENS,LIGHT
NSN, MFG P/N
6210002310613
NSN
6210-00-231-0613
MFG
HONEYWELL INTERNATIONAL INC DBA HONEYWELL DIV AEROSPACE - ALBUQUERQUE
Description
COLOR: BLACK HOLDER RED LENS
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: LC27RN2
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL
EFFECTIVE LENGTH: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 81349
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MIL-L-3661/27
OVERALL LENGTH: 0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA:
STYLE DESIGNATOR: 70 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
300RN
LENS,LIGHT
NSN, MFG P/N
6210002310613
NSN
6210-00-231-0613
MFG
LITTELFUSE INC.
Description
COLOR: BLACK HOLDER RED LENS
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: LC27RN2
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL
EFFECTIVE LENGTH: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 81349
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MIL-L-3661/27
OVERALL LENGTH: 0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA:
STYLE DESIGNATOR: 70 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
6P40
LENS,LIGHT
NSN, MFG P/N
6210002310613
NSN
6210-00-231-0613
MFG
ELECTRO SWITCH CORP. DBA OAK GRISGSBY
Description
COLOR: BLACK HOLDER RED LENS
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: LC27RN2
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL
EFFECTIVE LENGTH: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 81349
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MIL-L-3661/27
OVERALL LENGTH: 0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA:
STYLE DESIGNATOR: 70 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF
Related Searches:
LC27RN2
LENS,LIGHT
NSN, MFG P/N
6210002310613
NSN
6210-00-231-0613
MFG
MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
Description
COLOR: BLACK HOLDER RED LENS
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: LC27RN2
EFFECTIVE DIAMETER: 0.438 INCHES NOMINAL
EFFECTIVE LENGTH: 0.423 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: DUSTTIGHT-NEMA TYPE 5 AND ELECTROMAGNETIC INTERFERENCE SHIELDED
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
MANUFACTURERS CODE: 81349
MATERIAL: PLASTIC LENS
MOUNTING DEVICE QUANTITY: 1
MOUNTING METHOD: EXTERNAL THREAD
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE: MIL-L-3661/27
OVERALL LENGTH: 0.601 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
SPEC/STD CONTROLLING DATA:
STYLE DESIGNATOR: 70 STOVEPIPE
SURFACE CONDITION: SMOOTH BACK SMOOTH FACE
THREAD CLASS: 2A
THREAD DIAMETER: 0.312 INCHES
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY: 32 PER INCH
THREAD SERIES: UNEF