PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

Q4551Lamp,incandescent

Amglo Kemlite Laboratories Inc · NSN 6240-00-583-3334 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-583-3334 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-583-3334. Primary manufacturer part number: Q4551.
Features
  • Lamp,incandescent — FSC 6240
  • Emitted Light Characteristic: COLORLESS
  • Features Provided: HEAT RESISTANT GLASS
  • Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR)
  • Wattage Rating: 250.000 WATTS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Voltage Rating: 28.000 VOLTS NOMINAL
  • Average Life Rating in Hours: 25.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-583-3334, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Amglo Kemlite Laboratories Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 18 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-583-3334
Primary Part NumberQ4551
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerAmglo Kemlite Laboratories Inc
StatusCANCELLED
Emitted Light CharacteristicCOLORLESS
Features ProvidedHEAT RESISTANT GLASS
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Wattage Rating250.000 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Voltage Rating28.000 VOLTS NOMINAL
Average Life Rating in Hours25.0
Filament Heavy Duty Service RatingNOT RATED
Base StyleTWO SCREW TERMINALS
Bulb DesignatorPAR-46
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Filament DesignationCC-6
Light Output Rating75000.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Rated Average LifeHOURS
Current Rating for Which Designed8.929 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5940-00-082-4665 INTERCHANGEABLE
Terminal Board
5999-00-220-97574551 INTERCHANGEABLE
Clip,electrical
Cooper Bussmann, Llc Dba Cooper Industries
5950-00-645-3691 INTERCHANGEABLE
Coil,radio Frequency
2805-00-741-1712904P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
3110-01-015-57754551 INTERCHANGEABLE
Bearing,ball,stack
New Hampshire Ball Bearings Inc Div Hitech Division
5940-01-265-24384551 INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
6810-01-370-42104551 INTERCHANGEABLE
Ion Exchange Compound
Sybron Chemicals Inc.
5306-01-481-55464551 INTERCHANGEABLE
Bolt,machine
Barnes Group Inc. Dba Barnes Distribution
6240-01-670-1658 INTERCHANGEABLE
Lamp,incandescent
1310-01-670-84354551 INTERCHANGEABLE
Cartridge,40 Millimeter,non-Leth
Combined Systems Inc
Cross-Reference Index
Part NumberManufacturer
4551 General Electric Company (USA)
6240PL1782853 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4551 Ge Lighting Solutions, Llc (USA)
4551 Osram Sylvania Inc. (USA)
4551 Gte Products Corp Sylvania Miniature Lighting Div (USA)
4551 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
A-A-2153 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
4551 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS24517-4551 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
4551 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
4551 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4551 Vehicle Maintenance Program Inc Div Federal Sales (USA)
MS24517-4551 The Boeing Company Div Defense (USA)
P4628250FL-GE Ge Lighting Ltd (GBR)
WL50 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Q4551 Leonardo Uk Ltd (GBR)
Q4551 PRIMARY Amglo Kemlite Laboratories Inc (USA)
4551 Satair A/s (DNK)
Related Parts
5940-00-082-4665INTERCHANGEABLE
TERMINAL BOARD
5999-00-220-9757INTERCHANGEABLE
CLIP,ELECTRICAL
4551
5950-00-645-3691INTERCHANGEABLE
COIL,RADIO FREQUENCY
2805-00-741-1712INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
904P
3110-01-015-5775INTERCHANGEABLE
BEARING,BALL,STACK
4551
5940-01-265-2438INTERCHANGEABLE
TERMINAL,STUD
4551
6810-01-370-4210INTERCHANGEABLE
ION EXCHANGE COMPOUND
4551
5306-01-481-5546INTERCHANGEABLE
BOLT,MACHINE
4551
6240-01-670-1658INTERCHANGEABLE
LAMP,INCANDESCENT
1310-01-670-8435INTERCHANGEABLE
CARTRIDGE,40 MILLIMETER,NON-LETH
4551

Frequently Asked Questions

What is NSN 6240-00-583-3334?

NSN 6240-00-583-3334 is a Lamp,incandescent, manufactured by Amglo Kemlite Laboratories Inc, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-583-3334?

NSN 6240-00-583-3334 has 18 cross-referenced part numbers: 4551 (General Electric Company), 6240PL1782853 (Jednolity Indeks Materialowy - Uniform Material Index), 4551 (Ge Lighting Solutions, Llc), 4551 (Osram Sylvania Inc.), 4551 (Gte Products Corp Sylvania Miniature Lighting Div) and 13 more.

What NSN replaces 6240-00-583-3334?

There are 10 known substitutes for 6240-00-583-3334: 5940-00-082-4665, 5999-00-220-9757, 5950-00-645-3691 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of Q4551?

Key specifications for Q4551: Emitted Light Characteristic: COLORLESS; Features Provided: HEAT RESISTANT GLASS; Bulb Style: PAR (PARABOLIC, ALUMINIZED REFLECTOR); Wattage Rating: 250.000 WATTS. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-583-3334 still in active supply?

NSN 6240-00-583-3334 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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