PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12310948Socket,socket Wrench

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5120-01-137-9572 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-137-9572 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-137-9572. Primary manufacturer part number: 12310948.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Size: 1.187 INCHES NOMINAL FIRST END IN
  • Wrenching End Opening Depth: 1.312 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 1.625 INCHES NOMINAL IN
  • Drive End Shape: SQUARE SECOND END INTERNAL
  • Drive Surface Size: 1.625 INCHES NOMINAL SECOND END IN
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Shape: ROUND FIRST END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-137-9572, 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 9 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-137-9572
Primary Part Number12310948
Item NameSocket,socket Wrench
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
Wrenching End Opening Depth1.312 INCHES NOMINAL IN
Wrenching End Outside Diameter1.625 INCHES NOMINAL IN
Drive End ShapeSQUARE SECOND END INTERNAL
Drive Surface Size1.625 INCHES NOMINAL SECOND END IN
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface ShapeROUND FIRST END INTERNAL
MaterialSTEEL OVERALL
Drive End Outside Diameter1.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-157-042010365-33 INTERCHANGEABLE
Bearing,ball,thrust
Cummins Inc.
5330-00-303-134849947 INTERCHANGEABLE
Seal,dust
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3110-00-554-5968 INTERCHANGEABLE
Bearing,ball,annular
6150-00-644-0029M7109 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Electric Co Wiring Device Dept
6530-01-561-4208CA571202 INTERCHANGEABLE
Glove,edema,occupational Therapy
Sammons Preston Dba Sammons Preston Rolyan
6850-01-695-97366638-55GL DR INTERCHANGEABLE
Cleaning Compound,solvent
Safety-Kleen Chemical Services
Cross-Reference Index
Part NumberManufacturer
6638 Martin-Fairmount Fairmount Tool and Forging Div of Martin Sprocket and Gear Inc (USA)
IM382 CD Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
12310948 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
3110-00-157-0420INTERCHANGEABLE
BEARING,BALL,THRUST
10365-33
5330-00-303-1348INTERCHANGEABLE
SEAL,DUST
49947
3110-00-554-5968INTERCHANGEABLE
BEARING,BALL,ANNULAR
6150-00-644-0029INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
M7109
6530-01-561-4208INTERCHANGEABLE
GLOVE,EDEMA,OCCUPATIONAL THERAPY
CA571202
6850-01-695-9736INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
6638-55GL DR

Frequently Asked Questions

What is NSN 5120-01-137-9572?

NSN 5120-01-137-9572 is a Socket,socket Wrench, 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 5120-01-137-9572?

NSN 5120-01-137-9572 has 3 cross-referenced part numbers: 6638 (Martin-Fairmount Fairmount Tool and Forging Div of Martin Sprocket and Gear Inc), IM382 CD (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 12310948 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5120-01-137-9572?

There are 6 known substitutes for 5120-01-137-9572: 3110-00-157-0420, 5330-00-303-1348, 3110-00-554-5968 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12310948?

Key specifications for 12310948: Overall Length: 2.125 INCHES NOMINAL IN; Wrenching Surface Size: 1.187 INCHES NOMINAL FIRST END IN; Wrenching End Opening Depth: 1.312 INCHES NOMINAL IN; Wrenching End Outside Diameter: 1.625 INCHES NOMINAL IN. 11 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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