PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A11685Lamp,incandescent

Stewart Avionics Inc · NSN 6240-00-896-6334 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-896-6334 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-896-6334. Primary manufacturer part number: A11685.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 500.000 WATTS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: HOURS
  • Base Style: MOGUL SCREW
  • Bulb Style: PS (PEAR SHAPE, STRAIGHT NECK)
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: PS-40
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-896-6334, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN6240-00-896-6334
Primary Part NumberA11685
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusCANCELLED
Wattage Rating500.000 WATTS
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeHOURS
Base StyleMOGUL SCREW
Bulb StylePS (PEAR SHAPE, STRAIGHT NECK)
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorPS-40
Average Life Rating in Hours1000.0
Emitted Light CharacteristicWHITE
Filament DesignationC-9
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6140-00-449-60011.2K2 INTERCHANGEABLE
Battery,storage
American National Standards Institute Incorporated Dba American National Standards Institute
Cross-Reference Index
Part NumberManufacturer
A11685 PRIMARY Stewart Avionics Inc (USA)
500-130V PRIMARY General Electric Company (USA)
500RS General Electric Co Air Conditioning Division of Consumer Products Group (USA)
500RS General Electric Company (USA)
500/RS-120V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
Related Parts
6140-00-449-6001INTERCHANGEABLE
BATTERY,STORAGE
1.2K2

Frequently Asked Questions

What is NSN 6240-00-896-6334?

NSN 6240-00-896-6334 is a Lamp,incandescent, manufactured by Stewart Avionics Inc, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-896-6334?

NSN 6240-00-896-6334 has 5 cross-referenced part numbers: A11685 (Stewart Avionics Inc), 500-130V (General Electric Company), 500RS (General Electric Co Air Conditioning Division of Consumer Products Group), 500RS (General Electric Company), 500/RS-120V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company).

What NSN replaces 6240-00-896-6334?

There is 1 known substitute for 6240-00-896-6334: 6140-00-449-6001. Verify interchangeability with system specifications before substitution.

What are the specifications of A11685?

Key specifications for A11685: Wattage Rating: 500.000 WATTS; Filament Heavy Duty Service Rating: NOT RATED; Rated Average Life: HOURS; Base Style: MOGUL SCREW. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-896-6334 still in active supply?

NSN 6240-00-896-6334 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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