PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

397Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-875-7980 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-875-7980 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-875-7980. Primary manufacturer part number: 397.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 0.040 AMPERES NOMINAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-1 3/4
  • Filament Heavy Duty Service Rating: NOT RATED
  • Average Life Rating in Hours: 5000.0
  • Bulb Style: T (TUBULAR)
  • Voltage Rating: 10.000 VOLTS NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-875-7980, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN6240-00-875-7980
Primary Part Number397
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Current Rating for Which Designed0.040 AMPERES NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-1 3/4
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours5000.0
Bulb StyleT (TUBULAR)
Voltage Rating10.000 VOLTS NOMINAL
Base StyleMIDGET GROOVED
Emitted Light CharacteristicWHITE
Light Output Rating0.080 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament DesignationC-2F
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4330-00-028-3910A01228-002 INTERCHANGEABLE
Bushing Assembly,drag
Alfa Laval Inc.
3110-00-100-0235397 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Garwood/feller Inc Garwood Winch Div
5910-00-161-092803105260 INTERCHANGEABLE
Capacitor,variable,ceramic Diele
Thales Components Corp Div Thales Components Corporation
3120-00-182-8474 INTERCHANGEABLE
Bushing,sleeve
5950-00-195-4244397 INTERCHANGEABLE
Reactor
Standard Industries
5110-00-198-4289 INTERCHANGEABLE
Reamer,hand
5310-00-233-587916T1067 INTERCHANGEABLE
Washer,flat
Chief of Engineers Dept of Army
5935-00-240-4335397 INTERCHANGEABLE
Plug,tip
Birnbach Co Inc
4930-00-332-0407AB5028-1 INTERCHANGEABLE
Catch,purfier
Alfa Laval Inc
5305-00-359-8303 INTERCHANGEABLE
Screw
Cross-Reference Index
Part NumberManufacturer
397 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
LTX397 Lamptronix Co Ltd (USA)
397 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
CM-397 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
691 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
PL397 Precision Lamp Inc (USA)
397 Industrial Electronic Engineers, Inc. (USA)
Related Parts
4330-00-028-3910INTERCHANGEABLE
BUSHING ASSEMBLY,DRAG
A01228-002
3110-00-100-0235INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
397
5910-00-161-0928INTERCHANGEABLE
CAPACITOR,VARIABLE,CERAMIC DIELE
03105260
3120-00-182-8474INTERCHANGEABLE
BUSHING,SLEEVE
5950-00-195-4244INTERCHANGEABLE
REACTOR
397
5110-00-198-4289INTERCHANGEABLE
REAMER,HAND
5310-00-233-5879INTERCHANGEABLE
WASHER,FLAT
16T1067
5935-00-240-4335INTERCHANGEABLE
PLUG,TIP
397
4930-00-332-0407INTERCHANGEABLE
CATCH,PURFIER
AB5028-1
5305-00-359-8303INTERCHANGEABLE
SCREW
5120-00-473-6916INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
7082912
2640-00-555-9773INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
691

Frequently Asked Questions

What is NSN 6240-00-875-7980?

NSN 6240-00-875-7980 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 6240-00-875-7980?

NSN 6240-00-875-7980 has 7 cross-referenced part numbers: 397 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), LTX397 (Lamptronix Co Ltd), 397 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), CM-397 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 691 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch) and 2 more.

What NSN replaces 6240-00-875-7980?

There are 12 known substitutes for 6240-00-875-7980: 4330-00-028-3910, 3110-00-100-0235, 5910-00-161-0928 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 397?

Key specifications for 397: Current Rating for Which Designed: 0.040 AMPERES NOMINAL; End Item Identification: COMMUNICATIONS AND DATA SYSTEMS; Bulb Light Transmission Characteristic: TRANSPARENT; Bulb Designator: T-1 3/4. 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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