PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM1988-GOVTLamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-548-3978 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-548-3978 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-548-3978. Primary manufacturer part number: CM1988-GOVT.
Features
  • Lamp,incandescent — FSC 6240
  • Specification/standard Data: 08108-1988 MANUFACTURERS STANDARD
  • Bulb Style: T (TUBULAR)
  • Light Output Rating: 130.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
  • Current Rating for Which Designed: 10.000 AMPERES NOMINAL
  • Base Style: FLEXIBLE WIRE LEADS
  • Features Provided: HEAT RESISTANT GLASS
  • Bulb Designator: T-3
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-548-3978, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 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
NSN6240-00-548-3978
Primary Part NumberCM1988-GOVT
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Specification/standard Data08108-1988 MANUFACTURERS STANDARD
Bulb StyleT (TUBULAR)
Light Output Rating130.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed10.000 AMPERES NOMINAL
Base StyleFLEXIBLE WIRE LEADS
Features ProvidedHEAT RESISTANT GLASS
Bulb DesignatorT-3
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Emitted Light CharacteristicCOLORLESS
Average Life Rating in Hours2000.0
Wattage Rating100.000 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-8
Wire Lead Length3.125 INCHES MINIMUM IN
Voltage Rating10.000 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6250-00-151-4213 INTERCHANGEABLE
Lampholder
3110-00-158-61922063-1 INTERCHANGEABLE
Bearing,ball,thrust
Federal-Mogul Corp Government Sales Dept
6810-00-275-8125 INTERCHANGEABLE
Ferric Ammonium Sulfate
6250-00-299-70911988 INTERCHANGEABLE
Lampholder
Carlisle & Finch Co
3040-00-496-1593 INTERCHANGEABLE
Shaft,straight
4730-00-506-161011A7053 INTERCHANGEABLE
Fitting,lubrication
Napco International Llc Dba Napco International Inc
5342-00-870-5350 INTERCHANGEABLE
Ferrule
4730-01-066-01291988 INTERCHANGEABLE
Plug,pipe
DP Mfg Inc
5330-01-119-79721988 INTERCHANGEABLE
Gasket
Arkema Inc
4730-01-151-562244AX 115 INTERCHANGEABLE
Fitting,lubrication
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
Cross-Reference Index
Part NumberManufacturer
1988 Norman Lamps Inc (USA)
ML1988 Micro Lamps Inc. (USA)
381A1136 General Electric Company Dba Ge (USA)
1988 General Electric Company Dba Ge (USA)
381A1136 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
CM1988 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
1988 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
CM1988-GOVT PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
6250-00-151-4213INTERCHANGEABLE
LAMPHOLDER
3110-00-158-6192INTERCHANGEABLE
BEARING,BALL,THRUST
2063-1
6810-00-275-8125INTERCHANGEABLE
FERRIC AMMONIUM SULFATE
6250-00-299-7091INTERCHANGEABLE
LAMPHOLDER
1988
3040-00-496-1593INTERCHANGEABLE
SHAFT,STRAIGHT
4730-00-506-1610INTERCHANGEABLE
FITTING,LUBRICATION
11A7053
5342-00-870-5350INTERCHANGEABLE
FERRULE
4730-01-066-0129INTERCHANGEABLE
PLUG,PIPE
1988
5330-01-119-7972INTERCHANGEABLE
GASKET
1988
4730-01-151-5622INTERCHANGEABLE
FITTING,LUBRICATION
44AX 115
4820-01-319-9983INTERCHANGEABLE
VALVE,CHECK
1988
4930-01-468-7899INTERCHANGEABLE
LUBRICATING UNIT,POWER OPERATED

Frequently Asked Questions

What is NSN 6240-00-548-3978?

NSN 6240-00-548-3978 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-548-3978?

NSN 6240-00-548-3978 has 8 cross-referenced part numbers: 1988 (Norman Lamps Inc), ML1988 (Micro Lamps Inc.), 381A1136 (General Electric Company Dba Ge), 1988 (General Electric Company Dba Ge), 381A1136 (General Electric Co Miniature Lamp Products Dept Lighting Business Group) and 3 more.

What NSN replaces 6240-00-548-3978?

There are 12 known substitutes for 6240-00-548-3978: 6250-00-151-4213, 3110-00-158-6192, 6810-00-275-8125 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CM1988-GOVT?

Key specifications for CM1988-GOVT: Specification/standard Data: 08108-1988 MANUFACTURERS STANDARD; Bulb Style: T (TUBULAR); Light Output Rating: 130.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING; Current Rating for Which Designed: 10.000 AMPERES NOMINAL. 17 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