PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STM12Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-189-7922 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7922 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7922. Primary manufacturer part number: STM12.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.597 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7922, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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
NSN5120-00-189-7922
Primary Part NumberSTM12
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Drive End Outside Diameter0.597 INCHES MAXIMUM IN
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Nondefinitive Spec/std Data1 TYPE
Wrenching End Opening Depth0.156 INCHES MINIMUM IN
Special Markings3/8 IN. IN
Specification/standard Data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Wrenching End Outside Diameter0.597 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-087-0696 INTERCHANGEABLE
Socket,socket Wrench
5120-00-087-0700 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7918 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7919 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7920 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7921STM11 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-189-7923STM14 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5136-00-276-1031313315 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5330-00-285-946128531A INTERCHANGEABLE
Seal,plain Encased
Brinkley Technology Group Llc Dba Hercules Manufacturing
3120-00-416-674011207 INTERCHANGEABLE
Bushing,sleeve
Rexnord Industries, Llc Div Couplings Division
Cross-Reference Index
Part NumberManufacturer
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
900AS/L-3/8 Beta Utensili S.p.a. (ITA)
B107.110 CAT 1 TY1 General Services Administration Federal Supply Service (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
STM12 Sna Germany Gmbh (DEU)
A-A-1408 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
STM12 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
11207 Signet Tool International Co Ltd
STM12 Snap-on Uk Holdings Limited (GBR)
009000313 Beta Utensili S.p.a. (ITA)
2512 Wright Tool Company, Llc (USA)
67681 Egamaster SL (ESP)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.110 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-087-0696INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-087-0700INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7918INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7919INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7920INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7921INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM11
5120-00-189-7923INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM14
5136-00-276-1031INTERCHANGEABLE
TAP,THREAD CUTTING
313315
5330-00-285-9461INTERCHANGEABLE
SEAL,PLAIN ENCASED
28531A
3120-00-416-6740INTERCHANGEABLE
BUSHING,SLEEVE
11207
3040-00-486-6233INTERCHANGEABLE
SHAFT,STRAIGHT
11-207
5120-00-900-6097INTERCHANGEABLE
HAMMER,HAND
BD10ESG

Frequently Asked Questions

What is NSN 5120-00-189-7922?

NSN 5120-00-189-7922 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-7922?

NSN 5120-00-189-7922 has 15 cross-referenced part numbers: GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), 900AS/L-3/8 (Beta Utensili S.p.a.), B107.110 CAT 1 TY1 (General Services Administration Federal Supply Service), B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers) and 10 more.

What NSN replaces 5120-00-189-7922?

There are 12 known substitutes for 5120-00-189-7922: 5120-00-087-0696, 5120-00-087-0700, 5120-00-189-7918 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STM12?

Key specifications for STM12: Drive End Outside Diameter: 0.597 INCHES MAXIMUM IN; Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL; Style Designator: INTERNAL-INTERNAL. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7922 still in active supply?

NSN 5120-00-189-7922 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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