PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50/50P25/28-120VLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-519-1221 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-519-1221 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-519-1221. Primary manufacturer part number: 50/50P25/28-120V.
Features
  • Lamp,incandescent — FSC 6240
  • Burning Position: BASE DOWN
  • Emitted Light Characteristic: WHITE
  • Light Center Length: 3.312 INCHES NOMINAL IN
  • Rated Average Life: HOURS
  • Voltage Rating: 120.000 VOLTS NOMINAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Average Life Rating in Hours: 750.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-519-1221, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-519-1221
Primary Part Number50/50P25/28-120V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Burning PositionBASE DOWN
Emitted Light CharacteristicWHITE
Light Center Length3.312 INCHES NOMINAL IN
Rated Average LifeHOURS
Voltage Rating120.000 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours750.0
Bulb DesignatorP-25
Wattage Rating50.000 WATTS
Specification/standard Data08108-50/50+25/28-120V MANUFACTURERS STANDARD V
Bulb StyleP (PEAR)
Base StyleTHREE CONTACT MOGUL SCREW
Filament DesignationC-5 AND C-9
Light Output Rating375.000 LUMENS MINIMUM AND 435.000 LUMENS MAXIMUM SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3120-01-126-373218-601 INTERCHANGEABLE
Bearing,washer,thrust
Cunico Corporation
Cross-Reference Index
Part NumberManufacturer
50/50P25/28-120V Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
50/50P25/28 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
A-A-1972 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
50-50P25-28 General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA)
815F1197040PC11 Naval Inventory Control Point Mechanicsburg (USA)
WL101 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
3120-01-126-3732INTERCHANGEABLE
BEARING,WASHER,THRUST
18-601

Frequently Asked Questions

What is NSN 6240-00-519-1221?

NSN 6240-00-519-1221 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 6240-00-519-1221?

NSN 6240-00-519-1221 has 6 cross-referenced part numbers: 50/50P25/28-120V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 50/50P25/28 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), A-A-1972 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 50-50P25-28 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 815F1197040PC11 (Naval Inventory Control Point Mechanicsburg) and 1 more.

What NSN replaces 6240-00-519-1221?

There is 1 known substitute for 6240-00-519-1221: 3120-01-126-3732. Verify interchangeability with system specifications before substitution.

What are the specifications of 50/50P25/28-120V?

Key specifications for 50/50P25/28-120V: Burning Position: BASE DOWN; Emitted Light Characteristic: WHITE; Light Center Length: 3.312 INCHES NOMINAL IN; Rated Average Life: HOURS. 16 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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