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40055531 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 40055531 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-296-0488, 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
40055531
NSN: 6240-00-296-0488
FSC: 6240
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
Part Number40055531
NSN6240-00-296-0488
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 40055531 TITLE COMPONENT PN 40055531 MFR 40055531
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
LIGHT OUTPUT RATING: 0.150 BEAM CANDLEPOWER NOMINAL SINGLE RATING
•
RATED AVERAGE LIFE: HOURS
•
VOLTAGE RATING: 28.000 VOLTS NOMINAL
•
BULB DESIGNATOR: T-1
•
EMITTED LIGHT CHARACTERISTIC: WHITE
•
BULB STYLE: T (TUBULAR)
•
BASE STYLE: SUB-MINIATURE TWO PIN
TECHNICAL CHARACTERISTICS (FLIS)
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
LIGHT OUTPUT RATING0.150 BEAM CANDLEPOWER NOMINAL SINGLE RATING
RATED AVERAGE LIFEHOURS
VOLTAGE RATING28.000 VOLTS NOMINAL
BULB DESIGNATORT-1
EMITTED LIGHT CHARACTERISTICWHITE
BULB STYLET (TUBULAR)
BASE STYLESUB-MINIATURE TWO PIN
CURRENT RATING FOR WHICH DESIGNED0.024 AMPERES NOMINAL
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
7839Interchangeable
interchangeable cross-reference
interchangeable
2B7839Interchangeable
interchangeable cross-reference
interchangeable
8B1109Interchangeable
interchangeable cross-reference
interchangeable
10548931Interchangeable
interchangeable cross-reference
interchangeable
0300D0027Interchangeable
interchangeable cross-reference
interchangeable
276293Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40055531?
40055531 is a 40055531.
What parts can replace 40055531?
There are 25 known substitutes for 40055531: 7839, 2B7839, 8B1109 and 22 more. Substitute compatibility should be verified for your specific system.
Is 40055531 still available?
40055531 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026