PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

316RLamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-643-0265 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-643-0265 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-643-0265. Primary manufacturer part number: 316R.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Filament Designation: C-2F
  • Bulb Designator: T-3 1/4
  • Filament Heavy Duty Service Rating: NOT RATED
  • Average Life Rating in Hours: 500.0
  • Rated Average Life: HOURS
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-643-0265, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-643-0265
Primary Part Number316R
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusCANCELLED
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-2F
Bulb DesignatorT-3 1/4
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours500.0
Rated Average LifeHOURS
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicRUBY, NATURAL
Current Rating for Which Designed0.170 AMPERES NOMINAL
Base StyleMINIATURE BAYONET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6220-00-870-606190922 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
Part NumberManufacturer
313NR General Electric Company (USA)
313NR General Electric Co Distribution Transformer Business Dept Hickory Opn (USA)
316R PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
6220-00-870-6061INTERCHANGEABLE
LENS,LIGHT
90922

Frequently Asked Questions

What is NSN 6240-00-643-0265?

NSN 6240-00-643-0265 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-643-0265?

NSN 6240-00-643-0265 has 3 cross-referenced part numbers: 313NR (General Electric Company), 313NR (General Electric Co Distribution Transformer Business Dept Hickory Opn), 316R (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).

What NSN replaces 6240-00-643-0265?

There is 1 known substitute for 6240-00-643-0265: 6220-00-870-6061. Verify interchangeability with system specifications before substitution.

What are the specifications of 316R?

Key specifications for 316R: Bulb Light Transmission Characteristic: TRANSPARENT; Filament Designation: C-2F; Overall Length: 1.188 INCHES MAXIMUM IN; Bulb Designator: T-3 1/4. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-643-0265 still in active supply?

NSN 6240-00-643-0265 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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