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581-F3 — LAMP,INCANDESCENT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

581-F3: LAMP,INCANDESCENT.

The LAMP,INCANDESCENT is a the manufacturer industrial component. Key specifications include base_style: SUB-MIDGET FLANGED, bulb_style: T (TUBULAR), bulb_diameter: 0.125 INCHES NOMINAL IN, overall_length: 0.375 INCHES NOMINAL IN, voltage_rating: 5.000 VOLTS NOMINAL, wattage_rating: 0.110 WATTS. This part is cataloged in the U.S.

Government catalog under NSN 6240-01-487-7516, 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
581-F3
NSN: 6240-01-487-7516
FSC: 6240 — Electric Lamps
CAGE: 879B2 — SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC (USA)
SPECIFICATIONS
base_styleSUB-MIDGET FLANGED
bulb_styleT (TUBULAR)
bulb_diameter0.125 INCHES NOMINAL IN
overall_length0.375 INCHES NOMINAL IN
voltage_rating5.000 VOLTS NOMINAL
wattage_rating0.110 WATTS
bulb_designatorT-1
overall_diameter0.186 INCHES NOMINAL IN
special_featuresNICKEL PLATED BRASS CONTACT; NOT RECOMMENDED FOR HIGH AMBIENT LIGHT LEVELS
rated_average_lifeHOURS
light_output_rating0.034 LUMENS NOMINAL SINGLE RATING
average_life_rating_in_hours10000.0
NSN6240-01-487-7516
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMP,INCANDESCENT TITLE COMPONENT PN 581-F3 MFR LAMP,INCANDESCENT
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
OVERALL DIAMETER: 0.186 INCHES NOMINAL IN
•
BASE STYLE: SUB-MIDGET FLANGED
•
RATED AVERAGE LIFE: HOURS
•
BULB DIAMETER: 0.125 INCHES NOMINAL IN
•
BULB DESIGNATOR: T-1
•
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
TECHNICAL CHARACTERISTICS
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
OVERALL DIAMETER0.186 INCHES NOMINAL IN
BASE STYLESUB-MIDGET FLANGED
RATED AVERAGE LIFEHOURS
BULB DIAMETER0.125 INCHES NOMINAL IN
BULB DESIGNATORT-1
OVERALL LENGTH0.375 INCHES NOMINAL IN
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
WATTAGE RATING0.110 WATTS
EMITTED LIGHT CHARACTERISTICCOLORLESS
OTHER ITEMS IN FSC 6240 — Electric Lamps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6240-00-000-0101 6240-00-001-1436 6240-00-001-1519 6240-00-001-1520 6240-00-001-1521 6240-00-001-1541 6240-00-001-1545
SUBSTITUTES & CROSS-REFERENCES 1
924-90516-025Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581-F3?
581-F3 is a LAMP,INCANDESCENT.
What parts can replace 581-F3?
There is 1 known substitute for 581-F3: 924-90516-025. Substitute compatibility should be verified for your specific system.
What is the NSN for 581-F3?
581-F3 is cataloged in the U.S. Government catalog under NSN 6240-01-487-7516. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.