PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31990Lamp,incandescent

General Electric Company Dba Ge · NSN 6240-01-344-4820 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-4820 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-4820. Primary manufacturer part number: 31990.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Heavy Duty Service Rating: NOT RATED
  • Burning Position: BASE DOWN
  • Base Style: MEDIUM SCREW
  • Light Output Rating: 2600.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
  • Current Rating for Which Designed: 0.577 AMPERES NOMINAL
  • Rated Average Life: HOURS
  • Bulb Designator: PAR-30
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-344-4820, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Electric Company Dba Ge. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-4820
Primary Part Number31990
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Company Dba Ge
StatusACTIVE
Filament Heavy Duty Service RatingNOT RATED
Burning PositionBASE DOWN
Base StyleMEDIUM SCREW
Light Output Rating2600.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.577 AMPERES NOMINAL
Rated Average LifeHOURS
Bulb DesignatorPAR-30
Criticality Code JustificationFEAT
Emitted Light CharacteristicWHITE
Wattage Rating48.000 WATTS
Bulb StylePAR (PARABOLIC, ALUMNIZED REFLECTOR)
Light Beam TypeFLOOD
Filament DesignationCC-8
Average Life Rating in Hours4200.0
Bulb Light Transmission CharacteristicTRANSLUCENT
Voltage Rating120.000 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-060-3731 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5133-00-189-9305 INTERCHANGEABLE
Drill,twist
3120-00-447-397018060 INTERCHANGEABLE
Bearing Half,sleeve
Brinkley Technology Group Llc Dba Hercules Manufacturing
5930-00-548-9903 INTERCHANGEABLE
Switch,push
5950-01-031-54607904700-00 INTERCHANGEABLE
Reactor
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
5315-01-108-992876126 INTERCHANGEABLE
Pin
Abd Intl Inc Dba Abdick
5306-01-126-116718060 INTERCHANGEABLE
Bolt,machine
Leroi International Inc Dba Compair Leroi
5325-01-277-425138606 INTERCHANGEABLE
Ring,retaining
Leroi International Inc Dba Compair Leroi
6240-01-344-482148PAR30HIR+/FL30 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5330-01-565-306218 060 INTERCHANGEABLE
Gasket
Winteb Usa, Inc
Cross-Reference Index
Part NumberManufacturer
18060 General Electric Company Dba Ge (USA)
75PAR30/FL/H/130 General Electric Company Dba Ge (USA)
76126 General Electric Company Dba Ge (USA)
48PAR30HIR+ / FL30 General Electric Company Dba Ge (USA)
31990 PRIMARY General Electric Company Dba Ge (USA)
Related Parts
5905-00-060-3731INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5133-00-189-9305INTERCHANGEABLE
DRILL,TWIST
3120-00-447-3970INTERCHANGEABLE
BEARING HALF,SLEEVE
18060
5930-00-548-9903INTERCHANGEABLE
SWITCH,PUSH
5950-01-031-5460INTERCHANGEABLE
REACTOR
7904700-00
5315-01-108-9928INTERCHANGEABLE
PIN
76126
5306-01-126-1167INTERCHANGEABLE
BOLT,MACHINE
18060
5325-01-277-4251INTERCHANGEABLE
RING,RETAINING
38606
6240-01-344-4821INTERCHANGEABLE
LAMP,INCANDESCENT
48PAR30HIR+/FL30
5330-01-565-3062INTERCHANGEABLE
GASKET
18 060

Frequently Asked Questions

What is NSN 6240-01-344-4820?

NSN 6240-01-344-4820 is a Lamp,incandescent, manufactured by General Electric Company Dba Ge, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-4820?

NSN 6240-01-344-4820 has 5 cross-referenced part numbers: 18060 (General Electric Company Dba Ge), 75PAR30/FL/H/130 (General Electric Company Dba Ge), 76126 (General Electric Company Dba Ge), 48PAR30HIR+ / FL30 (General Electric Company Dba Ge), 31990 (General Electric Company Dba Ge).

What NSN replaces 6240-01-344-4820?

There are 10 known substitutes for 6240-01-344-4820: 5905-00-060-3731, 5133-00-189-9305, 3120-00-447-3970 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31990?

Key specifications for 31990: Filament Heavy Duty Service Rating: NOT RATED; Burning Position: BASE DOWN; Base Style: MEDIUM SCREW; Light Output Rating: 2600.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING. 18 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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