PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0635-2Lamp,incandescent

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6240-00-542-6571 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-542-6571 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-542-6571. Primary manufacturer part number: 0635-2.
Features
  • Lamp,incandescent — FSC 6240
  • 50 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rms - Mitchel Field
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-542-6571, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. This item has 50 commercial cross-references from 47 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameLamp,incandescent
FSC / FSG6240 — No Item Name Available (FSG 62)
ManufacturersLockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Lamp Industry for Use with Industry Designations and Abbreviations for Lamps (CAGE 08108); Elbitamerica, Inc. (CAGE 89944); Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (CAGE 96182); Shokai Far East, Ltd. (CAGE 58815)
Technical Specifications
ParameterValue
NSN6240-00-542-6571
Primary Part Number0635-2
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5320-00-117-6010MS20426AD2-3 INTERCHANGEABLE
Rivet,solid
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5940-00-238-9611A335-10 INTERCHANGEABLE
Terminal,lug
Molex-Etc Inc Sub of Molex Inc
2995-00-761-0017484634 INTERCHANGEABLE
Manifold,fluid,aircraft
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2840-00-798-4018400547 INTERCHANGEABLE
Scoop,oil,compresso
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
3439-00-801-0953 INTERCHANGEABLE
Tip,electric Soldering Iron
5940-00-878-8440L1-71-5-3 INTERCHANGEABLE
Terminal,feedthru
Rockwell Aviation Services, Inc. Dba Mercury Industries Div Mercury Industries
5930-01-173-2690457186 INTERCHANGEABLE
Boot,dust and Moisture Seal
Mine Safety Appliances Company
9330-01-275-9726 INTERCHANGEABLE
Window,observation
5342-01-292-0489606352 INTERCHANGEABLE
Cap,special
Cnh Industrial America Llc Dba Cnh America
5950-01-484-3352S1505 INTERCHANGEABLE
Transformer,current
Abbott Technologies, Inc
Cross-Reference Index
Part NumberManufacturer
0635-2 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
338 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
68-25700-6303 Elbitamerica, Inc. (USA)
924-90211-204 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
S-1505 Shokai Far East, Ltd. (USA)
581A2-2 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
2088649-1 Honeywell International Inc Dba Honeywell (USA)
3404593-2 Rca Corp Consumer Electronics (USA)
338 Industrial Electronic Engineers, Inc. (USA)
LTX338 Lamptronix Co Ltd (USA)
11431327 Unisys Corp (USA)
6825700-0806 Elbitamerica, Inc. (USA)
342C281-404 Westinghouse Electric Corp (USA)
G 2505 Wilbrecht Electronics Inc. (USA)
41275-6001-D11 Siemens Corp (USA)
338 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
555050-338 Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
BA10010-36 Satair A/s (DNK)
338 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
8800874 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament (USA)
Related Parts
5320-00-117-6010INTERCHANGEABLE
RIVET,SOLID
MS20426AD2-3
5940-00-238-9611INTERCHANGEABLE
TERMINAL,LUG
A335-10
2995-00-761-0017INTERCHANGEABLE
MANIFOLD,FLUID,AIRCRAFT
484634
2840-00-798-4018INTERCHANGEABLE
SCOOP,OIL,COMPRESSO
400547
3439-00-801-0953INTERCHANGEABLE
TIP,ELECTRIC SOLDERING IRON
5940-00-878-8440INTERCHANGEABLE
TERMINAL,FEEDTHRU
L1-71-5-3
5930-01-173-2690INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
457186
9330-01-275-9726INTERCHANGEABLE
WINDOW,OBSERVATION
5342-01-292-0489INTERCHANGEABLE
CAP,SPECIAL
606352
5950-01-484-3352INTERCHANGEABLE
TRANSFORMER,CURRENT
S1505
6505-01-537-5692INTERCHANGEABLE
TETANUS TOXOID,REDUCED DIPHTHERI
NDC49281-0400-10

Frequently Asked Questions

What is NSN 6240-00-542-6571?

NSN 6240-00-542-6571 is a Lamp,incandescent, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-542-6571?

NSN 6240-00-542-6571 has 50 cross-referenced part numbers: 0635-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 338 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 68-25700-6303 (Elbitamerica, Inc.), 924-90211-204 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), S-1505 (Shokai Far East, Ltd.) and 45 more.

What NSN replaces 6240-00-542-6571?

There are 11 known substitutes for 6240-00-542-6571: 5320-00-117-6010, 5940-00-238-9611, 2995-00-761-0017 and 8 more. Verify interchangeability with system specifications before substitution.

Is NSN 6240-00-542-6571 still in active supply?

NSN 6240-00-542-6571 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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