PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4077Lampholder

Westinghouse Electric Corp · NSN 6250-00-283-9383 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-283-9383 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-283-9383. Primary manufacturer part number: 4077.
Features
  • Lampholder — FSC 6250
  • Lamp Base Type Accommodated: MOGUL SCREW
  • Outside Diameter: 2.281 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN
  • Terminal Type: SCREW
  • Terminal Quantity: 2
  • Hazardous Locations/environmental Protection: NOT RATED
  • Mounting Device Quantity: 2
  • Mounting Method: HOLE(S) FOR SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Applications requiring Porcelain Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-283-9383, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6250-00-283-9383
Primary Part Number4077
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusCANCELLED
Lamp Base Type AccommodatedMOGUL SCREW
Outside Diameter2.281 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN
Terminal TypeSCREW
Terminal Quantity2
Hazardous Locations/environmental ProtectionNOT RATED
Mounting Device Quantity2
Mounting MethodHOLE(S) FOR SCREW(S) LOCATION NOT OTHERWISE SPECIFIED
Mounting Feature TypeSURFACE
Wattage Rating in Watts1500.0
MaterialPORCELAIN BODY
MaterialCOPPER ALLOY SHELL
Voltage in Volts600.0
Coating MethodPLATED SHELL
Style DesignatorPLAIN
Surface TreatmentNICKEL SHELL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-006-0115229813N INTERCHANGEABLE
Valve,diaphragm,stop
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6145-00-081-1049 INTERCHANGEABLE
Cable,special Purpose,electrical
5826-00-090-2976MT1094U INTERCHANGEABLE
Mounting
Joint Electronics Type Designation System
6240-00-143-317235-502 INTERCHANGEABLE
Lamp,incandescent
Bae Systems Information and Electronic Systems Integration Inc.
5330-00-178-3741 INTERCHANGEABLE
Seal,plain Encased
5960-00-179-4746 INTERCHANGEABLE
Electron Tube
6645-00-225-26754077 INTERCHANGEABLE
Heart,runner
Bi-Com Industries Inc
5310-00-282-4653105-577 INTERCHANGEABLE
Nut,plain,hexagon
Bogen Communications Inc
4730-00-293-3657 INTERCHANGEABLE
Strainer,sediment
6625-00-354-9709S53 INTERCHANGEABLE
Plug-in Unit,electrical-Electron
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
1626 General Electric Company (USA)
4077 Bryant Electric (USA)
8765 Leviton Manufacturing Co., Inc. Dba Leviton (USA)
211 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
212 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
S53 Pass & Seymour Inc Div Pass & Seymour (USA)
4077WITHCAP Bryant Electric (USA)
4077 PRIMARY Westinghouse Electric Corp (USA)
HL8751 Crouse-Hinds Co (USA)
3465 Hubbell Corp (USA)
Related Parts
4820-00-006-0115INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
229813N
6145-00-081-1049INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5826-00-090-2976INTERCHANGEABLE
MOUNTING
MT1094U
6240-00-143-3172INTERCHANGEABLE
LAMP,INCANDESCENT
35-502
5330-00-178-3741INTERCHANGEABLE
SEAL,PLAIN ENCASED
5960-00-179-4746INTERCHANGEABLE
ELECTRON TUBE
6645-00-225-2675INTERCHANGEABLE
HEART,RUNNER
4077
5310-00-282-4653INTERCHANGEABLE
NUT,PLAIN,HEXAGON
105-577
4730-00-293-3657INTERCHANGEABLE
STRAINER,SEDIMENT
6625-00-354-9709INTERCHANGEABLE
PLUG-IN UNIT,ELECTRICAL-ELECTRON
S53
2930-00-364-6444INTERCHANGEABLE
BODY
2040-00-385-8783INTERCHANGEABLE
LOG,SHAFT

Frequently Asked Questions

What is NSN 6250-00-283-9383?

NSN 6250-00-283-9383 is a Lampholder, manufactured by Westinghouse Electric Corp, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-283-9383?

NSN 6250-00-283-9383 has 10 cross-referenced part numbers: 1626 (General Electric Company), 4077 (Bryant Electric), 8765 (Leviton Manufacturing Co., Inc. Dba Leviton), 211 (Cooper Industries Inc Cooper Distribution Equipment Div), 212 (Cooper Industries Inc Cooper Distribution Equipment Div) and 5 more.

What NSN replaces 6250-00-283-9383?

There are 12 known substitutes for 6250-00-283-9383: 4820-00-006-0115, 6145-00-081-1049, 5826-00-090-2976 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4077?

Key specifications for 4077: Overall Height: 3.000 INCHES MINIMUM AND 3.094 INCHES MAXIMUM IN; Lamp Base Type Accommodated: MOGUL SCREW; Outside Diameter: 2.281 INCHES MINIMUM AND 2.343 INCHES MAXIMUM IN; Terminal Type: SCREW. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-283-9383 still in active supply?

NSN 6250-00-283-9383 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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