PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1321Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-237-7878 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-237-7878 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-237-7878. Primary manufacturer part number: 1321.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 4.100 AMPERES NOMINAL
  • Burning Position: BASE DOWN TO HORIZONTAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Rated Average Life: HOURS
  • Wattage Rating: 25.420 WATTS
  • Base Style: SINGLE CONTACT CANDELABRA PREFOCUS
  • Emitted Light Characteristic: COLORLESS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-237-7878, 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 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-237-7878
Primary Part Number1321
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Current Rating for Which Designed4.100 AMPERES NOMINAL
Burning PositionBASE DOWN TO HORIZONTAL
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Wattage Rating25.420 WATTS
Base StyleSINGLE CONTACT CANDELABRA PREFOCUS
Emitted Light CharacteristicCOLORLESS
Light Center Length0.875 INCHES NOMINAL IN
Bulb StyleRP (ARBITRARY DESIGNATION)
Light Output Rating32.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours200.0
Bulb DesignatorRP-11
Voltage Rating6.200 VOLTS NOMINAL
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5935-00-222-0812158332-1 INTERCHANGEABLE
Connector,plug,electrical
Cec Vibration Products, Llc Dba Cec Vibrations Products
5935-00-258-4937PL1323 INTERCHANGEABLE
Connector,plug,electrical
Bae Systems Information and Electronic Systems Integration Inc.
5985-01-016-1854870500 INTERCHANGEABLE
Antenna Element
United States Antenna Products, L.l.c.
6665-01-574-0732870500 INTERCHANGEABLE
Detector Kit,gas
Honeywell Analytics Inc.
Cross-Reference Index
Part NumberManufacturer
1321 General Electric Company Dba Ge (USA)
849546-45 Rca Corp Consumer Electronics (USA)
1322 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
1321 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
1321 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
6Z6806-25 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
87-0500 Finnigan Corporation (USA)
PL1323 Precision Lamp Inc (USA)
PL1321 Precision Lamp Inc (USA)
Related Parts
5935-00-222-0812INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
158332-1
5935-00-258-4937INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL1323
5985-01-016-1854INTERCHANGEABLE
ANTENNA ELEMENT
870500
6665-01-574-0732INTERCHANGEABLE
DETECTOR KIT,GAS
870500

Frequently Asked Questions

What is NSN 6240-00-237-7878?

NSN 6240-00-237-7878 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: cancelled.

What are the part numbers for NSN 6240-00-237-7878?

NSN 6240-00-237-7878 has 9 cross-referenced part numbers: 1321 (General Electric Company Dba Ge), 849546-45 (Rca Corp Consumer Electronics), 1322 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 1321 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 1321 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company) and 4 more.

What NSN replaces 6240-00-237-7878?

There are 4 known substitutes for 6240-00-237-7878: 5935-00-222-0812, 5935-00-258-4937, 5985-01-016-1854 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1321?

Key specifications for 1321: Overall Length: 2.250 INCHES MAXIMUM IN; Current Rating for Which Designed: 4.100 AMPERES NOMINAL; Burning Position: BASE DOWN TO HORIZONTAL; Bulb Light Transmission Characteristic: TRANSPARENT. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-237-7878 still in active supply?

NSN 6240-00-237-7878 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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