PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4158Lampholder

Leviton Manufacturing Co., Inc. Dba Leviton · NSN 6250-00-227-8241 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-227-8241 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-227-8241. Primary manufacturer part number: 4158.
Features
  • Lampholder — FSC 6250
  • Style Designator: CANDLE
  • Special Test Features: INCL ROTARY SWITCH
  • Mounting Method: EXTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED
  • Lamp Base Type Accommodated: MEDIUM SCREW
  • Mounting Device Quantity: 1
  • Material: PLASTIC BODY
  • Terminal Type: SCREW
Applications
  • Applications requiring Plastic Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-227-8241, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Leviton Manufacturing Co., Inc. Dba Leviton. Government technical data includes 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6250-00-227-8241
Primary Part Number4158
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerLeviton Manufacturing Co., Inc. Dba Leviton
StatusCANCELLED
Style DesignatorCANDLE
Special Test FeaturesINCL ROTARY SWITCH
Mounting MethodEXTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED
Lamp Base Type AccommodatedMEDIUM SCREW
Mounting Device Quantity1
MaterialPLASTIC BODY
Terminal TypeSCREW
Wattage Rating in Watts660.0
Voltage in Volts250.0
Mounting Feature TypeSURFACE
Terminal Quantity2
Hazardous Locations/environmental ProtectionNOT RATED
Outside Diameter1.312 INCHES NOMINAL IN
MaterialALUMINUM OR STEEL OR COPPER MOUNTING
MaterialPLASTIC SHELL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5305-00-349-81884158 INTERCHANGEABLE
Screw,spring Brake
Wakmann Watch Company Inc
6150-00-707-32694158 INTERCHANGEABLE
Lead,electrical
Champion Aerospace Llc
6130-01-018-36734-158 INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
6150-01-087-08214296-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4730-01-127-0339 INTERCHANGEABLE
Nipple,pipe
4820-01-324-8523415-8 INTERCHANGEABLE
Valve,safety Relief
Watts Regulator Company
5920-01-360-41184158 INTERCHANGEABLE
Fuse,enclosed Link
Micro Devices Corp Sub of Emerson Electric Co
5940-01-396-03091506-2ET INTERCHANGEABLE
Terminal,stud
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
4158 Leviton Manufacturing Co., Inc. Dba Leviton (USA)
50-14636.00 U S Electrical Tool Inc (USA)
Related Parts
5305-00-349-8188INTERCHANGEABLE
SCREW,SPRING BRAKE
4158
6150-00-707-3269INTERCHANGEABLE
LEAD,ELECTRICAL
4158
6130-01-018-3673INTERCHANGEABLE
POWER SUPPLY
4-158
6150-01-087-0821INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
4296-2
4730-01-127-0339INTERCHANGEABLE
NIPPLE,PIPE
4820-01-324-8523INTERCHANGEABLE
VALVE,SAFETY RELIEF
415-8
5920-01-360-4118INTERCHANGEABLE
FUSE,ENCLOSED LINK
4158
5940-01-396-0309INTERCHANGEABLE
TERMINAL,STUD
1506-2ET

Frequently Asked Questions

What is NSN 6250-00-227-8241?

NSN 6250-00-227-8241 is a Lampholder, manufactured by Leviton Manufacturing Co., Inc. Dba Leviton, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-227-8241?

NSN 6250-00-227-8241 has 2 cross-referenced part numbers: 4158 (Leviton Manufacturing Co., Inc. Dba Leviton), 50-14636.00 (U S Electrical Tool Inc).

What NSN replaces 6250-00-227-8241?

There are 8 known substitutes for 6250-00-227-8241: 5305-00-349-8188, 6150-00-707-3269, 6130-01-018-3673 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4158?

Key specifications for 4158: Style Designator: CANDLE; Special Test Features: INCL ROTARY SWITCH; Mounting Method: EXTERNAL THREADED LOCATION NOT OTHERWISE SPECIFIED; Lamp Base Type Accommodated: MEDIUM SCREW. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-227-8241 still in active supply?

NSN 6250-00-227-8241 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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