PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7646Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-01-044-0071 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-044-0071 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-044-0071. Primary manufacturer part number: 7646.
Features
  • Lamp,incandescent — FSC 6240
  • Light Output Rating: 0.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Rated Average Life: HOURS
  • Current Rating for Which Designed: 0.080 AMPERES NOMINAL
  • Base Style: SUB-MINIATURE TWO PIN
  • Bulb Designator: T-1/4
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-044-0071, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 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
NSN6240-01-044-0071
Primary Part Number7646
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Light Output Rating0.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Current Rating for Which Designed0.080 AMPERES NOMINAL
Base StyleSUB-MINIATURE TWO PIN
Bulb DesignatorT-1/4
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicWHITE
Wattage Rating1.120 WATTS
Features ProvidedCARBON FILAMENT
Specification/standard Data08108-7646 MANUFACTURERS STANDARD
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours1000.0
Voltage Rating14.000 VOLTS NOMINAL
Filament DesignationC-2V V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-038-36507642 INTERCHANGEABLE
Holder,electrical Contact Brush
Black and Decker Us Inc
3110-00-100-0676687 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4730-00-189-3041 INTERCHANGEABLE
Reducer,pipe
5130-00-221-8019 INTERCHANGEABLE
Socket,socket Wrench
5310-00-354-5927 INTERCHANGEABLE
Washer,flat
3120-00-407-67977642 INTERCHANGEABLE
Bearing,sleeve
Leica Inc Surveying and Photogrammetry Systems Div
5120-00-473-74707082084 INTERCHANGEABLE
Inserter,seal
U S Army Tank Automotive Command Amsta-Im-Mm
5325-00-616-596153-480 INTERCHANGEABLE
Grommet,nonmetallic
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1680-00-631-7344687 INTERCHANGEABLE
Seat,aircraft
Ami Industries, Inc Div Utc Aerospace Systems
5360-00-664-3908764-6 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
7646 Industrial Electronic Engineers, Inc. (USA)
CM7-7646 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
687 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
7646 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
7646 Jkl Components, Corporation (USA)
048-00010 Keytronics, Inc. Div Api Technologies Corp- Magnetics (USA)
EL-S-4-014031 Industrial Nucleonics Corp (USA)
PL7646 Precision Lamp Inc (USA)
19079854 Unisys Corp (USA)
125-7213 Inter-Market Inc (USA)
7642 Eiko, Ltd. Div Eiko Global, Llc (USA)
Related Parts
5977-00-038-3650INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
7642
3110-00-100-0676INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
687
4730-00-189-3041INTERCHANGEABLE
REDUCER,PIPE
5130-00-221-8019INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5310-00-354-5927INTERCHANGEABLE
WASHER,FLAT
3120-00-407-6797INTERCHANGEABLE
BEARING,SLEEVE
7642
5120-00-473-7470INTERCHANGEABLE
INSERTER,SEAL
7082084
5325-00-616-5961INTERCHANGEABLE
GROMMET,NONMETALLIC
53-480
1680-00-631-7344INTERCHANGEABLE
SEAT,AIRCRAFT
687
5360-00-664-3908INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
764-6
5305-00-719-8681INTERCHANGEABLE
SCREW,MACHINE
20000687
3110-00-938-4023INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
E104644PC84

Frequently Asked Questions

What is NSN 6240-01-044-0071?

NSN 6240-01-044-0071 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-044-0071?

NSN 6240-01-044-0071 has 11 cross-referenced part numbers: 7646 (Industrial Electronic Engineers, Inc.), CM7-7646 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 687 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 7646 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 7646 (Jkl Components, Corporation) and 6 more.

What NSN replaces 6240-01-044-0071?

There are 12 known substitutes for 6240-01-044-0071: 5977-00-038-3650, 3110-00-100-0676, 4730-00-189-3041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7646?

Key specifications for 7646: Light Output Rating: 0.500 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Bulb Light Transmission Characteristic: TRANSPARENT; Rated Average Life: HOURS; Current Rating for Which Designed: 0.080 AMPERES NOMINAL. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com