PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M970/9-1Lampholder

Underwriters Laboratories Inc · NSN 6250-00-255-4215 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-255-4215 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-255-4215. Primary manufacturer part number: M970/9-1.
Features
  • Lampholder — FSC 6250
  • Terminal Quantity: 2
  • Material: COPPER ALLOY BODY
  • Mounting Method: TERMINAL LOCATION NOT OTHERWISE SPECIFIED
  • Hazardous Locations/environmental Protection: WEATHERPROOF-NEMA TYPE 3
  • Accessory Mounting Provision: GROOVE
  • Wattage Rating in Watts: 660.0
  • Lamp Base Type Accommodated: MEDIUM SCREW
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-255-4215, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Underwriters Laboratories Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 12 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
NSN6250-00-255-4215
Primary Part NumberM970/9-1
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerUnderwriters Laboratories Inc
StatusCANCELLED
Terminal Quantity2
MaterialCOPPER ALLOY BODY
Mounting MethodTERMINAL LOCATION NOT OTHERWISE SPECIFIED
Hazardous Locations/environmental ProtectionWEATHERPROOF-NEMA TYPE 3
Accessory Mounting ProvisionGROOVE
Wattage Rating in Watts660.0
Lamp Base Type AccommodatedMEDIUM SCREW
Terminal TypeWIRE LEAD
Mounting Device Quantity2
Wiring Provision Length12.500 INCHES NOMINAL IN
Outside Diameter1.625 INCHES NOMINAL IN
Mounting Feature TypeANY ACCEPTABLE
Voltage in Volts250.0
MaterialRUBBER MOUNTING
Material Document and ClassificationMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE SHELL
Material Document and ClassificationMIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE MOUNTING
Style DesignatorWIRE LEADS
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SHELL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3439-00-145-9132 INTERCHANGEABLE
Flux,soldering
6250-00-153-6452 INTERCHANGEABLE
Lampholder
6250-00-153-6454 INTERCHANGEABLE
Lampholder
6250-00-153-6461UL496 FIG. SB8 INTERCHANGEABLE
Lampholder
Underwriters Laboratories Inc
3110-00-155-6716120-9 BRG INTERCHANGEABLE
Bearing,ball,annular
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5325-00-200-7377 INTERCHANGEABLE
Ring,retaining
5815-00-219-6999 INTERCHANGEABLE
Spring
6250-00-231-9861 INTERCHANGEABLE
Lampholder
6250-00-270-4240 INTERCHANGEABLE
Lampholder
5945-00-274-5686 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
600 Woodhead, Lp Dba Woodhead Div Integrated Products Group (USA)
83S2783 Lucas Western Inc (USA)
M970/9-1 PRIMARY Underwriters Laboratories Inc (USA)
MC314-3B Intercraft Industries Corp (USA)
311 Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division (USA)
M970/9-1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9-S-4778L Federal Specifications Promulgated by General Services Administration Washington DC (USA)
10960 Monroe Integro, Llc (USA)
MIL-L-970/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16749 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
311 Bryant Electric (USA)
10041 Monroe Integro, Llc (USA)
311 Westinghouse Electric Corp (USA)
1544 Arnold a Semler Inc (USA)
UL 496 Underwriters Laboratories Inc (USA)
Related Parts
3439-00-145-9132INTERCHANGEABLE
FLUX,SOLDERING
6250-00-153-6452INTERCHANGEABLE
LAMPHOLDER
6250-00-153-6454INTERCHANGEABLE
LAMPHOLDER
6250-00-153-6461INTERCHANGEABLE
LAMPHOLDER
UL496 FIG. SB8
3110-00-155-6716INTERCHANGEABLE
BEARING,BALL,ANNULAR
120-9 BRG
5325-00-200-7377INTERCHANGEABLE
RING,RETAINING
5815-00-219-6999INTERCHANGEABLE
SPRING
6250-00-231-9861INTERCHANGEABLE
LAMPHOLDER
6250-00-270-4240INTERCHANGEABLE
LAMPHOLDER
5945-00-274-5686INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6250-00-284-0481INTERCHANGEABLE
LAMPHOLDER
M970/11-1
6250-00-295-2738INTERCHANGEABLE
SOCKET,LAMP STARTER
UL-496 FIG SB14

Frequently Asked Questions

What is NSN 6250-00-255-4215?

NSN 6250-00-255-4215 is a Lampholder, manufactured by Underwriters Laboratories Inc, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-255-4215?

NSN 6250-00-255-4215 has 15 cross-referenced part numbers: 600 (Woodhead, Lp Dba Woodhead Div Integrated Products Group), 83S2783 (Lucas Western Inc), M970/9-1 (Underwriters Laboratories Inc), MC314-3B (Intercraft Industries Corp), 311 (Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division) and 10 more.

What NSN replaces 6250-00-255-4215?

There are 12 known substitutes for 6250-00-255-4215: 3439-00-145-9132, 6250-00-153-6452, 6250-00-153-6454 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M970/9-1?

Key specifications for M970/9-1: Terminal Quantity: 2; Material: COPPER ALLOY BODY; Mounting Method: TERMINAL LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 2.125 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-255-4215 still in active supply?

NSN 6250-00-255-4215 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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