PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-39761.0000//QLamp,incandescent

Leonardo S.p.a. Security & Information System Division · NSN 6240-00-739-0961 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-739-0961 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-739-0961. Primary manufacturer part number: 4-39761.0000//Q.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: WIRE LEADS, DOWN
  • Rated Average Life: HOURS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Average Life Rating in Hours: 4000.0
  • Wattage Rating: 0.300 WATTS
  • Light Output Rating: 0.030 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Current Rating for Which Designed: 0.060 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-739-0961, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Leonardo S.p.a. Security & Information System Division. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-739-0961
Primary Part Number4-39761.0000//Q
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLeonardo S.p.a. Security & Information System Division
StatusCANCELLED
Base StyleWIRE LEADS, DOWN
Rated Average LifeHOURS
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours4000.0
Wattage Rating0.300 WATTS
Light Output Rating0.030 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.060 AMPERES NOMINAL
Voltage Rating5.000 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Features ProvidedPREAGED LAMP
Emitted Light CharacteristicCOLORLESS
Light Center Length0.060 INCHES NOMINAL IN
Bulb DesignatorT-3/4
Bulb StyleT (TUBULAR)
Filament DesignationC-2R
Wire Lead Length1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-010-2592102592 INTERCHANGEABLE
Setscrew
General Motors Llc Dba General Motors Llc
2010-00-036-5690533PC13T013CAND18 INTERCHANGEABLE
Lever,gear
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
3110-00-108-6570MUA1 1/2 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3110-00-158-6590147-2PC36 INTERCHANGEABLE
Bearing,ball,thrust
The Dewey Electronics Corporation Div Pitometer Log Division
5940-00-236-7218 INTERCHANGEABLE
Terminal,lug
7025-00-257-8593LA30 INTERCHANGEABLE
Data Terminal,controller
Compaq Federal Llc
4810-00-303-11516803 INTERCHANGEABLE
Valve,linear,directional Control
Harbormaster Marine, Inc
4810-00-375-9824P155-2103 INTERCHANGEABLE
Valve,linear,directional Control
Hunt Valve Company, Inc.
2510-00-507-38309M798-1 INTERCHANGEABLE
Shock Absorber,direct Action
Maremont Corp
5945-00-532-1387S1108 INTERCHANGEABLE
Solenoid,electrical
G.w. Lisk Co, Inc Div G.w. Lisk Company, Inc.
Cross-Reference Index
Part NumberManufacturer
4-39761.0000//Q Leonardo S.p.a. Security & Information System Division (ITA)
6803AS15 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
6803 Shelly Associates Inc. (USA)
LA30 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
LTX6803 Lamptronix Co Ltd (USA)
6803 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
S-1108 Shokai Far East, Ltd. (USA)
CM6803 Zf Industrieantriebe Witten Gmbh (DEU)
CM-6803 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
151 Carley Dba Carley Lamps (USA)
512765-05 Bowmar Llc Dba Bowmar Instrument Corp (USA)
6803AS15 Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant (USA)
6803 AS15 Industrial Electronic Engineers, Inc. (USA)
CM6803AS15 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
W-L-00111/19 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
30 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
MS90452-6803 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
OL-6803AS15 Oshino Lamps Ltd. (JPN)
PL6803 Precision Lamp Inc (USA)
6803AS15 Shelly Associates Inc. (USA)
Related Parts
5305-00-010-2592INTERCHANGEABLE
SETSCREW
102592
2010-00-036-5690INTERCHANGEABLE
LEVER,GEAR
533PC13T013CAND18
3110-00-108-6570INTERCHANGEABLE
BEARING,BALL,ANNULAR
MUA1 1/2
3110-00-158-6590INTERCHANGEABLE
BEARING,BALL,THRUST
147-2PC36
5940-00-236-7218INTERCHANGEABLE
TERMINAL,LUG
7025-00-257-8593INTERCHANGEABLE
DATA TERMINAL,CONTROLLER
LA30
4810-00-303-1151INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
6803
4810-00-375-9824INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
P155-2103
2510-00-507-3830INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
9M798-1
5945-00-532-1387INTERCHANGEABLE
SOLENOID,ELECTRICAL
S1108
6250-00-702-8866INTERCHANGEABLE
BALLAST,LAMP
3110-00-799-8966INTERCHANGEABLE
BEARING,BALL,THRUST
39SB16

Frequently Asked Questions

What is NSN 6240-00-739-0961?

NSN 6240-00-739-0961 is a Lamp,incandescent, manufactured by Leonardo S.p.a. Security & Information System Division, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-739-0961?

NSN 6240-00-739-0961 has 23 cross-referenced part numbers: 4-39761.0000//Q (Leonardo S.p.a. Security & Information System Division), 6803AS15 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 6803 (Shelly Associates Inc.), LA30 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), LTX6803 (Lamptronix Co Ltd) and 18 more.

What NSN replaces 6240-00-739-0961?

There are 12 known substitutes for 6240-00-739-0961: 5305-00-010-2592, 2010-00-036-5690, 3110-00-108-6570 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-39761.0000//Q?

Key specifications for 4-39761.0000//Q: Base Style: WIRE LEADS, DOWN; Rated Average Life: HOURS; Filament Heavy Duty Service Rating: NOT RATED; Average Life Rating in Hours: 4000.0. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-739-0961 still in active supply?

NSN 6240-00-739-0961 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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