PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4603Lamp,incandescent

General Electric Co Lamp Refractory Metals Products Dept · NSN 6240-00-958-7626 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-958-7626 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-958-7626. Primary manufacturer part number: 4603.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: TWO SCREW TERMINALS
  • Current Rating for Which Designed: 2.130 AMPERES NOMINAL
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: HOURS
  • Bulb Designator: PAR-36
  • Voltage Rating: 12.800 VOLTS NOMINAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-958-7626, 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 Co Lamp Refractory Metals Products Dept. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN6240-00-958-7626
Primary Part Number4603
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGeneral Electric Co Lamp Refractory Metals Products Dept
StatusACTIVE
Base StyleTWO SCREW TERMINALS
Current Rating for Which Designed2.130 AMPERES NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Bulb DesignatorPAR-36
Voltage Rating12.800 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Light Output Rating2800.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Average Life Rating in Hours300.0
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Emitted Light CharacteristicWHITE
Wattage Rating35.000 WATTS
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-131-403795J270 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5925-00-238-4880 INTERCHANGEABLE
Circuit Breaker
5935-00-463-8036202-33424-3 INTERCHANGEABLE
Connector,plug,electrical
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
3030-00-472-602430493 INTERCHANGEABLE
Belts,v,matched Set
L & L Boiler Maintenance Inc
2520-00-734-91687349168 INTERCHANGEABLE
Bracket
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-812-7105 INTERCHANGEABLE
Switch,slide
5905-00-942-4973 INTERCHANGEABLE
Resistor,fixed,film
3110-01-087-42844603 INTERCHANGEABLE
Bearing,ball,duplex
New Hampshire Ball Bearings Inc Div Hitech Division
6695-01-142-24774603 INTERCHANGEABLE
Torque Read Out
Magtrol Inc. Dba Magtrol Inc
5310-01-193-22124603-5 INTERCHANGEABLE
Nut,stud
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
371461R91 International Harvester Co Agricultural Equipment Div (USA)
4603 PRIMARY General Electric Co Lamp Refractory Metals Products Dept (USA)
4603 General Electric Company (USA)
371461R91 Navistar International Corporation Dba Navistar (USA)
Related Parts
5905-00-131-4037INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
95J270
5925-00-238-4880INTERCHANGEABLE
CIRCUIT BREAKER
5935-00-463-8036INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
202-33424-3
3030-00-472-6024INTERCHANGEABLE
BELTS,V,MATCHED SET
30493
2520-00-734-9168INTERCHANGEABLE
BRACKET
7349168
5930-00-812-7105INTERCHANGEABLE
SWITCH,SLIDE
5905-00-942-4973INTERCHANGEABLE
RESISTOR,FIXED,FILM
3110-01-087-4284INTERCHANGEABLE
BEARING,BALL,DUPLEX
4603
6695-01-142-2477INTERCHANGEABLE
TORQUE READ OUT
4603
5310-01-193-2212INTERCHANGEABLE
NUT,STUD
4603-5
4820-01-218-9037INTERCHANGEABLE
VALVE,SAFETY RELIEF
4730-01-232-8082INTERCHANGEABLE
ELBOW,PIPE TO TUBE

Frequently Asked Questions

What is NSN 6240-00-958-7626?

NSN 6240-00-958-7626 is a Lamp,incandescent, manufactured by General Electric Co Lamp Refractory Metals Products Dept, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-958-7626?

NSN 6240-00-958-7626 has 4 cross-referenced part numbers: 371461R91 (International Harvester Co Agricultural Equipment Div), 4603 (General Electric Co Lamp Refractory Metals Products Dept), 4603 (General Electric Company), 371461R91 (Navistar International Corporation Dba Navistar).

What NSN replaces 6240-00-958-7626?

There are 12 known substitutes for 6240-00-958-7626: 5905-00-131-4037, 5925-00-238-4880, 5935-00-463-8036 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4603?

Key specifications for 4603: Base Style: TWO SCREW TERMINALS; Current Rating for Which Designed: 2.130 AMPERES NOMINAL; Filament Heavy Duty Service Rating: NOT RATED; Rated Average Life: HOURS. 15 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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