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Technical Data Sheet
1691AF ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: SINGLE CONTACT BAYONET CANDELABRA, bulb_style: GT (GLOBULAR TUBULAR), bulb_diameter: 1.040 INCHES MAXIMUM IN, overall_length: 2.000 INCHES NOMINAL IN, voltage_rating: 28.000 VOLTS NOMINAL, bulb_designator: S-8. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-515-8746, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
1691AF
NSN: 6240-01-515-8746
FSC: 6240
CAGE: 08806 — GENERAL ELECTRIC CO MINIATURE LAMP PRODUCTS DEPT LIGHTING BUSINESS GROUP (USA)
SPECIFICATIONS
base_styleSINGLE CONTACT BAYONET CANDELABRA
bulb_styleGT (GLOBULAR TUBULAR)
bulb_diameter1.040 INCHES MAXIMUM IN
overall_length2.000 INCHES NOMINAL IN
voltage_rating28.000 VOLTS NOMINAL
bulb_designatorS-8
rated_average_lifeHOURS
filament_designation2C-2R
end_item_identificationAIRCRAFT, B757
average_life_rating_in_hours1000.0
current_rating_for_which_designed0.610 AMPERES NOMINAL
NSN6240-01-515-8746
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN 1691AF MFR LAMP,INCANDESCENT
KEY FEATURES
CURRENT RATING FOR WHICH DESIGNED: 0.610 AMPERES NOMINAL
BULB STYLE: GT (GLOBULAR TUBULAR)
AVERAGE LIFE RATING IN HOURS: 1000.0
FILAMENT DESIGNATION: 2C-2R
BULB DIAMETER: 1.040 INCHES MAXIMUM IN
BASE STYLE: SINGLE CONTACT BAYONET CANDELABRA
RATED AVERAGE LIFE: HOURS
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING FOR WHICH DESIGNED0.610 AMPERES NOMINAL
END ITEM IDENTIFICATIONAIRCRAFT, B757
BULB STYLEGT (GLOBULAR TUBULAR)
AVERAGE LIFE RATING IN HOURS1000.0
FILAMENT DESIGNATION2C-2R
BULB DIAMETER1.040 INCHES MAXIMUM IN
BASE STYLESINGLE CONTACT BAYONET CANDELABRA
RATED AVERAGE LIFEHOURS
OVERALL LENGTH2.000 INCHES NOMINAL IN
VOLTAGE RATING28.000 VOLTS NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
B2050Interchangeable
interchangeable cross-reference
interchangeable
851249Interchangeable
interchangeable cross-reference
interchangeable
2050Interchangeable
interchangeable cross-reference
interchangeable
27568Interchangeable
interchangeable cross-reference
interchangeable
D27568Interchangeable
interchangeable cross-reference
interchangeable
36224Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1691AF?
1691AF is a LAMP,INCANDESCENT.
What parts can replace 1691AF?
There are 8 known substitutes for 1691AF: B2050, 851249, 2050 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1691AF?
1691AF is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-01-515-8746. This indicates validated use in U.S. government and defense supply chains.
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