PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58LLamp,incandescent

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 6240-00-458-4662 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-458-4662 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-458-4662. Primary manufacturer part number: 58L.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: WIRE LEADS, DOWN
  • Bulb Designator: T-1
  • Emitted Light Characteristic: WHITE
  • Voltage Rating: 5.000 VOLTS NOMINAL
  • Current Rating for Which Designed: 0.054 AMPERES MINIMUM AND 0.066 AMPERES MAXIMUM
  • Rated Average Life: HOURS
  • Wire Lead Length: 1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-458-4662, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-458-4662
Primary Part Number58L
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Base StyleWIRE LEADS, DOWN
Bulb DesignatorT-1
Emitted Light CharacteristicWHITE
Voltage Rating5.000 VOLTS NOMINAL
Current Rating for Which Designed0.054 AMPERES MINIMUM AND 0.066 AMPERES MAXIMUM
Rated Average LifeHOURS
Wire Lead Length1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Average Life Rating in Hours100000.0
Bulb StyleT (TUBULAR)
Terminal Type and Quantity2 PIN
Bulb Light Transmission CharacteristicTRANSPARENT
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusACTIVE
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.
6240-00-797-300058L INTERCHANGEABLE
Lamp,incandescent
Gyrus Acmi L.p. Dba Circon-Acmi Div
Cross-Reference Index
Part NumberManufacturer
58L PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
SC6240-0003-1 Drs Icas, Llc (USA)
Related Parts
5945-00-075-4980INTERCHANGEABLE
RELAY,PNEUMATIC
58L
5120-00-198-5405INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
6250-00-405-4853INTERCHANGEABLE
LAMPHOLDER
920126
6240-00-797-3000INTERCHANGEABLE
LAMP,INCANDESCENT
58L

Frequently Asked Questions

What is NSN 6240-00-458-4662?

NSN 6240-00-458-4662 is a Lamp,incandescent, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-458-4662?

NSN 6240-00-458-4662 has 2 cross-referenced part numbers: 58L (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), SC6240-0003-1 (Drs Icas, Llc).

What NSN replaces 6240-00-458-4662?

There are 4 known substitutes for 6240-00-458-4662: 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: Base Style: WIRE LEADS, DOWN; Bulb Designator: T-1; Emitted Light Characteristic: WHITE; Voltage Rating: 5.000 VOLTS NOMINAL. 13 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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