PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1858Lamp,incandescent

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 6240-00-283-9390 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-283-9390 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-283-9390. Primary manufacturer part number: 1858.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: INDEFINITE LONG
  • Bulb Style: T (TUBULAR)
  • Filament Heavy Duty Service Rating: NOT RATED
  • Emitted Light Characteristic: WHITE
  • Bulb Designator: T-4 1/2
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Base Style: MINIATURE SCREW
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-283-9390, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-283-9390
Primary Part Number1858
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusACTIVE
Rated Average LifeINDEFINITE LONG
Bulb StyleT (TUBULAR)
Filament Heavy Duty Service RatingNOT RATED
Emitted Light CharacteristicWHITE
Bulb DesignatorT-4 1/2
Bulb Light Transmission CharacteristicTRANSPARENT
Base StyleMINIATURE SCREW
Light Output Rating2.300 BEAM CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.150 AMPERES NOMINAL
Filament DesignationC-2V V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-036-1746005-500-0010 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5120-00-222-1600 INTERCHANGEABLE
Wrench,box
5935-00-244-79361694-103 INTERCHANGEABLE
Plug,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5360-00-257-30421858 INTERCHANGEABLE
Spring,helical,compression
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5360-00-363-03181858 INTERCHANGEABLE
Spring,helical,compression
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6625-00-507-55121858 INTERCHANGEABLE
Oscillograph
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
2520-00-703-26321858 INTERCHANGEABLE
Case,differential
Dana Corp Spicer Transmission Div
5331-01-042-2819185-8 INTERCHANGEABLE
O-Ring
Lenz Inc Dba the Lenz Company
2940-01-282-517751858 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5120-01-371-8608185-8 INTERCHANGEABLE
Bit,screwdriver
Apex Tool Group, Llc
Cross-Reference Index
Part NumberManufacturer
1858 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
1858 PRIMARY American National Standards Institute Incorporated Dba American National Standards Institute (USA)
87-0724 Finnigan Corporation (USA)
1858 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
4820-00-036-1746INTERCHANGEABLE
DISK,VALVE
005-500-0010
5120-00-222-1600INTERCHANGEABLE
WRENCH,BOX
5935-00-244-7936INTERCHANGEABLE
PLUG,TIP
1694-103
5360-00-257-3042INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1858
5360-00-363-0318INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1858
6625-00-507-5512INTERCHANGEABLE
OSCILLOGRAPH
1858
2520-00-703-2632INTERCHANGEABLE
CASE,DIFFERENTIAL
1858
5331-01-042-2819INTERCHANGEABLE
O-RING
185-8
2940-01-282-5177INTERCHANGEABLE
FILTER ELEMENT,FLUID
51858
5120-01-371-8608INTERCHANGEABLE
BIT,SCREWDRIVER
185-8
4730-01-659-4525INTERCHANGEABLE
COUPLING ASSEMBLY,HOSE
1858

Frequently Asked Questions

What is NSN 6240-00-283-9390?

NSN 6240-00-283-9390 is a Lamp,incandescent, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-283-9390?

NSN 6240-00-283-9390 has 4 cross-referenced part numbers: 1858 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 1858 (American National Standards Institute Incorporated Dba American National Standards Institute), 87-0724 (Finnigan Corporation), 1858 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-283-9390?

There are 11 known substitutes for 6240-00-283-9390: 4820-00-036-1746, 5120-00-222-1600, 5935-00-244-7936 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1858?

Key specifications for 1858: Rated Average Life: INDEFINITE LONG; Bulb Style: T (TUBULAR); Filament Heavy Duty Service Rating: NOT RATED; Emitted Light Characteristic: WHITE. 11 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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