PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MC7Lampholder

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6250-00-243-8293 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-243-8293 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-243-8293. Primary manufacturer part number: MC7.
Features
  • Lampholder — FSC 6250
  • Style Designator: KEY
  • Nondefinitive Spec/std Data: 1 TYPE AND C CLASS AND 7 STYLE
  • Voltage in Volts: 250.0
  • Mounting Device Quantity: 1
  • Terminal Type: SCREW
  • Wattage Rating in Watts: 250.0
  • Outside Diameter: 1.500 INCHES NOMINAL IN
Applications
  • Facility lighting installation
  • Emergency and exit lighting
  • Runway and airfield lighting
General Description

The Lampholder, cataloged under National Stock Number 6250-00-243-8293, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6250-00-243-8293
Primary Part NumberMC7
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Style DesignatorKEY
Nondefinitive Spec/std Data1 TYPE AND C CLASS AND 7 STYLE
Voltage in Volts250.0
Mounting Device Quantity1
Terminal TypeSCREW
Wattage Rating in Watts250.0
Outside Diameter1.500 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionNOT RATED
Terminal Quantity2
Mounting Hole Diameter0.375 INCHES NOMINAL IN
Mounting Feature TypeSURFACE
Lamp Base Type AccommodatedSTANDARD SIZE, PRESS-FIT ATTACHING
Accessory Mounting ProvisionTHREAD
Mounting MethodTHREADED CATCH LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4310-00-365-1770529424 INTERCHANGEABLE
Cover
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
4310-00-595-3866 INTERCHANGEABLE
Compressor Unit,rotary
Cross-Reference Index
Part NumberManufacturer
MC7 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
W-L-142 TY1CLCST7 General Services Administration Federal Supply Service (USA)
W-L-142 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
4310-00-365-1770INTERCHANGEABLE
COVER
529424
4310-00-595-3866INTERCHANGEABLE
COMPRESSOR UNIT,ROTARY

Frequently Asked Questions

What is NSN 6250-00-243-8293?

NSN 6250-00-243-8293 is a Lampholder, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6250 (No Item Name Available). Status: active.

What are the part numbers for NSN 6250-00-243-8293?

NSN 6250-00-243-8293 has 3 cross-referenced part numbers: MC7 (Federal Specifications Promulgated by General Services Administration Washington DC), W-L-142 TY1CLCST7 (General Services Administration Federal Supply Service), W-L-142 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6250-00-243-8293?

There are 2 known substitutes for 6250-00-243-8293: 4310-00-365-1770, 4310-00-595-3866. Verify interchangeability with system specifications before substitution.

What are the specifications of MC7?

Key specifications for MC7: Special Features: PROVIDED WITH STRAIGHT THD TYPE MTG CAP; Style Designator: KEY; Nondefinitive Spec/std Data: 1 TYPE AND C CLASS AND 7 STYLE; Voltage in Volts: 250.0. 16 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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