PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-L-142 TY1CLBST5Lampholder

General Services Administration Federal Supply Service · NSN 6250-00-299-6327 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-299-6327 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-299-6327. Primary manufacturer part number: W-L-142 TY1CLBST5.
Features
  • Lampholder — FSC 6250
  • Lamp Base Type Accommodated: MEDIUM SCREW
  • Style Designator: PULL
  • Wattage Rating in Watts: 250.0
  • Mounting Device Quantity: 1
  • Terminal Type: SCREW
  • Terminal Quantity: 2
  • Hazardous Locations/environmental Protection: NOT RATED
Applications
  • Facility lighting installation
  • Emergency and exit lighting
  • Runway and airfield lighting
General Description

The Lampholder, cataloged under National Stock Number 6250-00-299-6327, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN6250-00-299-6327
Primary Part NumberW-L-142 TY1CLBST5
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Lamp Base Type AccommodatedMEDIUM SCREW
Style DesignatorPULL
Wattage Rating in Watts250.0
Mounting Device Quantity1
Terminal TypeSCREW
Terminal Quantity2
Hazardous Locations/environmental ProtectionNOT RATED
Outside Diameter1.500 INCHES NOMINAL IN
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Voltage in Volts250.0
Mounting Feature TypeANY ACCEPTABLE
Accessory Mounting ProvisionTHREAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6250-00-153-6452 INTERCHANGEABLE
Lampholder
6250-00-153-6454 INTERCHANGEABLE
Lampholder
6250-00-153-6461UL496 FIG. SB8 INTERCHANGEABLE
Lampholder
Underwriters Laboratories Inc
6250-00-231-9861 INTERCHANGEABLE
Lampholder
6250-00-255-4215M970/9-1 INTERCHANGEABLE
Lampholder
Underwriters Laboratories Inc
6250-00-270-4240 INTERCHANGEABLE
Lampholder
6250-00-284-0481M970/11-1 INTERCHANGEABLE
Lampholder
Underwriters Laboratories Inc
6250-00-295-2738UL-496 FIG SB14 INTERCHANGEABLE
Socket,lamp Starter
Underwriters Laboratories Inc
6250-00-295-2852M970/2-1 INTERCHANGEABLE
Lampholder
Underwriters Laboratories Inc
6250-00-299-6982GE3327 INTERCHANGEABLE
Lampholder
General Electric Company
Cross-Reference Index
Part NumberManufacturer
W-L-142 TY1CLBST5 General Services Administration Federal Supply Service (USA)
W-L-142 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
UL 496 Underwriters Laboratories Inc (USA)
Related Parts
6250-00-153-6452INTERCHANGEABLE
LAMPHOLDER
6250-00-153-6454INTERCHANGEABLE
LAMPHOLDER
6250-00-153-6461INTERCHANGEABLE
LAMPHOLDER
UL496 FIG. SB8
6250-00-231-9861INTERCHANGEABLE
LAMPHOLDER
6250-00-255-4215INTERCHANGEABLE
LAMPHOLDER
M970/9-1
6250-00-270-4240INTERCHANGEABLE
LAMPHOLDER
6250-00-284-0481INTERCHANGEABLE
LAMPHOLDER
M970/11-1
6250-00-295-2738INTERCHANGEABLE
SOCKET,LAMP STARTER
UL-496 FIG SB14
6250-00-295-2852INTERCHANGEABLE
LAMPHOLDER
M970/2-1
6250-00-299-6982INTERCHANGEABLE
LAMPHOLDER
GE3327
6250-00-377-8590INTERCHANGEABLE
LAMPHOLDER
UL496 FIG. SB11
6250-00-635-3665INTERCHANGEABLE
ADAPTER,LAMPHOLDER

Frequently Asked Questions

What is NSN 6250-00-299-6327?

NSN 6250-00-299-6327 is a Lampholder, manufactured by General Services Administration Federal Supply Service, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-299-6327?

NSN 6250-00-299-6327 has 3 cross-referenced part numbers: W-L-142 TY1CLBST5 (General Services Administration Federal Supply Service), W-L-142 (Federal Specifications Promulgated by General Services Administration Washington DC), UL 496 (Underwriters Laboratories Inc).

What NSN replaces 6250-00-299-6327?

There are 12 known substitutes for 6250-00-299-6327: 6250-00-153-6452, 6250-00-153-6454, 6250-00-153-6461 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-L-142 TY1CLBST5?

Key specifications for W-L-142 TY1CLBST5: Lamp Base Type Accommodated: MEDIUM SCREW; Style Designator: PULL; Special Features: PROVIDED WITH MOUNTING CAP; Wattage Rating in Watts: 250.0. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-299-6327 still in active supply?

NSN 6250-00-299-6327 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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