PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TKPX1TYPEBWrench,socket

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5120-00-449-8261 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-449-8261 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-449-8261. Primary manufacturer part number: TKPX1TYPEB.
Features
  • Wrench,socket — FSC 5120
  • Wrenching Surface Size: 1.187 INCHES NOMINAL FIRST END IN
  • Material: STEEL OVERALL
  • Style Designator: DOUBLE SOCKET T
  • Wrenching Surface Shape: HEXAGON BOTH ENDS INTERNAL
  • Nondefinitive Spec/std Data: 4 TYPE AND 7 SIZE
  • Wrenching Surface Size: 1.500 INCHES NOMINAL SECOND END IN
  • 6 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,socket, cataloged under National Stock Number 5120-00-449-8261, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-449-8261
Primary Part NumberTKPX1TYPEB
Item NameWrench,socket
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Wrenching Surface Size1.187 INCHES NOMINAL FIRST END IN
MaterialSTEEL OVERALL
Style DesignatorDOUBLE SOCKET T
Wrenching Surface ShapeHEXAGON BOTH ENDS INTERNAL
Nondefinitive Spec/std Data4 TYPE AND 7 SIZE
Wrenching Surface Size1.500 INCHES NOMINAL SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-177-6821 INTERCHANGEABLE
Wrench,socket
5120-00-203-4766 INTERCHANGEABLE
Wrench,socket
5120-00-293-1289 INTERCHANGEABLE
Wrench,socket
5120-00-293-14045120-00-293-1404 INTERCHANGEABLE
Wrench,socket
General Services Administration Federal Supply Service
5120-00-293-2452 INTERCHANGEABLE
Wrench,socket
5120-00-316-9217 INTERCHANGEABLE
Wrench,socket
5120-00-473-65427104985 INTERCHANGEABLE
Wrench,socket
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5120-00-541-3186 INTERCHANGEABLE
Wrench,socket
5120-00-795-06645120-00-795-0664 INTERCHANGEABLE
Wrench,socket
General Services Administration Federal Supply Service
5120-01-070-8386 INTERCHANGEABLE
Wrench,socket
Cross-Reference Index
Part NumberManufacturer
GSA4498261 Spotswood W S and Sons Inc (USA)
GGG-W-644 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GGG-W-644 TY4SZ7 General Services Administration Federal Supply Service (USA)
8261T Apco Mossberg Co (USA)
TKPX1TYPEB PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
41W3843-75 General Stores Supply Office (USA)
Related Parts
5120-00-177-6821INTERCHANGEABLE
WRENCH,SOCKET
5120-00-203-4766INTERCHANGEABLE
WRENCH,SOCKET
5120-00-293-1289INTERCHANGEABLE
WRENCH,SOCKET
5120-00-293-1404INTERCHANGEABLE
WRENCH,SOCKET
5120-00-293-1404
5120-00-293-2452INTERCHANGEABLE
WRENCH,SOCKET
5120-00-316-9217INTERCHANGEABLE
WRENCH,SOCKET
5120-00-473-6542INTERCHANGEABLE
WRENCH,SOCKET
7104985
5120-00-541-3186INTERCHANGEABLE
WRENCH,SOCKET
5120-00-795-0664INTERCHANGEABLE
WRENCH,SOCKET
5120-00-795-0664
5120-01-070-8386INTERCHANGEABLE
WRENCH,SOCKET

Frequently Asked Questions

What is NSN 5120-00-449-8261?

NSN 5120-00-449-8261 is a Wrench,socket, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-449-8261?

NSN 5120-00-449-8261 has 6 cross-referenced part numbers: GSA4498261 (Spotswood W S and Sons Inc), GGG-W-644 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GGG-W-644 TY4SZ7 (General Services Administration Federal Supply Service), 8261T (Apco Mossberg Co), TKPX1TYPEB (U S Army Tank Automotive Command Amsta-Im-Mm) and 1 more.

What NSN replaces 5120-00-449-8261?

There are 10 known substitutes for 5120-00-449-8261: 5120-00-177-6821, 5120-00-203-4766, 5120-00-293-1289 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TKPX1TYPEB?

Key specifications for TKPX1TYPEB: Wrenching Surface Size: 1.187 INCHES NOMINAL FIRST END IN; Overall Length: 19.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Style Designator: DOUBLE SOCKET T. 7 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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