PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51587Lamp,incandescent

L3 Technologies, Inc. Div L3 Keo · NSN 6240-01-032-6598 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-032-6598 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-032-6598. Primary manufacturer part number: 51587.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 0.065 AMPERES NOMINAL
  • Light Output Rating: 0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Emitted Light Characteristic: BLUE-WHITE
  • Rated Average Life: HOURS
  • Specification/standard Data: 08108-7376-802 MANUFACTURERS STANDARD
  • Bulb Designator: T-1 3/4
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-032-6598, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-032-6598
Primary Part Number51587
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Current Rating for Which Designed0.065 AMPERES NOMINAL
Light Output Rating0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Emitted Light CharacteristicBLUE-WHITE
Rated Average LifeHOURS
Specification/standard Data08108-7376-802 MANUFACTURERS STANDARD
Bulb DesignatorT-1 3/4
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours5000.0
Base StyleSUB-MINIATURE TWO PIN
Voltage Rating28.000 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleT (TUBULAR)
Filament DesignationC-2F
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-2470 INTERCHANGEABLE
Diaphragm,valve,flat
5365-00-119-658451587 INTERCHANGEABLE
Spacer,plate
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-156-83873640 INTERCHANGEABLE
Bearing,ball,annular
Prestolite Electric Inc
6645-00-163-05467376 INTERCHANGEABLE
Wheel Assembly
The Chelsea Clock Llc
5330-00-196-5385 INTERCHANGEABLE
Packing,preformed
3020-00-367-2879 INTERCHANGEABLE
Gear,worm Wheel
6240-00-499-6278CM7376 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5120-00-545-4372T42 INTERCHANGEABLE
Tire Iron
Summit Tool Company
3020-00-602-210451587 INTERCHANGEABLE
Gear Cluster
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5950-00-688-6932 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
51587 L3 Technologies, Inc. Div L3 Keo (USA)
CM7-7376 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
887B051587 L3 Technologies, Inc. Div L3 Keo (USA)
7376-802 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
887B051587 Northrop Grumman Systems Corporation (USA)
7376 Norman Lamps Inc (USA)
Related Parts
4820-00-036-2470INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
5365-00-119-6584INTERCHANGEABLE
SPACER,PLATE
51587
3110-00-156-8387INTERCHANGEABLE
BEARING,BALL,ANNULAR
3640
6645-00-163-0546INTERCHANGEABLE
WHEEL ASSEMBLY
7376
5330-00-196-5385INTERCHANGEABLE
PACKING,PREFORMED
3020-00-367-2879INTERCHANGEABLE
GEAR,WORM WHEEL
6240-00-499-6278INTERCHANGEABLE
LAMP,INCANDESCENT
CM7376
5120-00-545-4372INTERCHANGEABLE
TIRE IRON
T42
3020-00-602-2104INTERCHANGEABLE
GEAR CLUSTER
51587
5950-00-688-6932INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2930-00-737-6802INTERCHANGEABLE
FITTING RADIATOR FI
7376802
5950-00-812-5858INTERCHANGEABLE
TRANSFORMER,PULSE

Frequently Asked Questions

What is NSN 6240-01-032-6598?

NSN 6240-01-032-6598 is a Lamp,incandescent, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-032-6598?

NSN 6240-01-032-6598 has 6 cross-referenced part numbers: 51587 (L3 Technologies, Inc. Div L3 Keo), CM7-7376 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 887B051587 (L3 Technologies, Inc. Div L3 Keo), 7376-802 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 887B051587 (Northrop Grumman Systems Corporation) and 1 more.

What NSN replaces 6240-01-032-6598?

There are 12 known substitutes for 6240-01-032-6598: 4820-00-036-2470, 5365-00-119-6584, 3110-00-156-8387 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51587?

Key specifications for 51587: Current Rating for Which Designed: 0.065 AMPERES NOMINAL; Light Output Rating: 0.650 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Emitted Light Characteristic: BLUE-WHITE; Rated Average Life: HOURS. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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