PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58LLamp,incandescent

Gyrus Acmi L.p. Dba Circon-Acmi Div · NSN 6240-00-797-3000 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-797-3000 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-797-3000. Primary manufacturer part number: 58L.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-3/4
  • Bulb Style: T (TUBULAR)
  • Filament Heavy Duty Service Rating: NOT RATED
  • Rated Average Life: INDEFINITE LONG
  • Filament Designation: C-6
  • Emitted Light Characteristic: WHITE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-797-3000, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gyrus Acmi L.p. Dba Circon-Acmi Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6240-00-797-3000
Primary Part Number58L
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGyrus Acmi L.p. Dba Circon-Acmi Div
StatusCANCELLED
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-3/4
Bulb StyleT (TUBULAR)
Filament Heavy Duty Service RatingNOT RATED
Rated Average LifeINDEFINITE LONG
Filament DesignationC-6
Emitted Light CharacteristicWHITE
Current Rating for Which Designed0.275 AMPERES NOMINAL
Base StyleSURGICAL SCREW
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5945-00-075-498058L INTERCHANGEABLE
Relay,pneumatic
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5120-00-198-5405 INTERCHANGEABLE
Key,socket Head Screw
6250-00-405-4853920126 INTERCHANGEABLE
Lampholder
Betts Industries, Inc.
6240-00-458-466258L INTERCHANGEABLE
Lamp,incandescent
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
Cross-Reference Index
Part NumberManufacturer
58L PRIMARY Gyrus Acmi L.p. Dba Circon-Acmi Div (USA)
Related Parts
5945-00-075-4980INTERCHANGEABLE
RELAY,PNEUMATIC
58L
5120-00-198-5405INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
6250-00-405-4853INTERCHANGEABLE
LAMPHOLDER
920126
6240-00-458-4662INTERCHANGEABLE
LAMP,INCANDESCENT
58L

Frequently Asked Questions

What is NSN 6240-00-797-3000?

NSN 6240-00-797-3000 is a Lamp,incandescent, manufactured by Gyrus Acmi L.p. Dba Circon-Acmi Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-797-3000?

NSN 6240-00-797-3000 has 1 cross-referenced part number: 58L (Gyrus Acmi L.p. Dba Circon-Acmi Div).

What NSN replaces 6240-00-797-3000?

There are 4 known substitutes for 6240-00-797-3000: 5945-00-075-4980, 5120-00-198-5405, 6250-00-405-4853 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58L?

Key specifications for 58L: Bulb Light Transmission Characteristic: TRANSPARENT; Special Features: TUNGSTEN FILAMENT MATERIAL; Bulb Designator: T-3/4; Overall Length: 0.406 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-797-3000 still in active supply?

NSN 6240-00-797-3000 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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