PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

STM11Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-189-7921 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7921 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7921. Primary manufacturer part number: STM11.
Features
  • Socket,socket Wrench — FSC 5120
  • Special Markings: 11/32 IN. IN
  • Material: STEEL OVERALL
  • Wrenching End Opening Depth: 0.156 INCHES MINIMUM IN
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Specification/standard Data: 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7921, 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 14 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
NSN5120-00-189-7921
Primary Part NumberSTM11
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
Special Markings11/32 IN. IN
MaterialSTEEL OVERALL
Wrenching End Opening Depth0.156 INCHES MINIMUM IN
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Specification/standard Data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE
Features ProvidedMANUAL TOOL
Wrenching Surface Size0.344 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Wrenching End Outside Diameter0.547 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM OVERALL
Drive End Outside Diameter0.547 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-043-3111 INTERCHANGEABLE
Terminal,lug
4410-00-071-4866 INTERCHANGEABLE
Expansion Tube Asse
5120-00-087-0696 INTERCHANGEABLE
Socket,socket Wrench
5120-00-087-0700 INTERCHANGEABLE
Socket,socket Wrench
5815-00-126-822280120 INTERCHANGEABLE
Bracket
Telemechanics Inc
5120-00-189-7918 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7919 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7920 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7922STM12 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
Cross-Reference Index
Part NumberManufacturer
2511 Wright Tool Company, Llc (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
11206 Signet Tool International Co Ltd
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.110 CAT 1 TY1 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1408 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
80120 Apex Tool Group, Llc Dba Nicholson (USA)
STM11 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
STM11 Snap-on Uk Holdings Limited (GBR)
009000311 Beta Utensili S.p.a. (ITA)
67680 Egamaster SL (ESP)
900AS/L-11/32 Beta Utensili S.p.a. (ITA)
B107.110 The American Society of Mechanical Engineers (USA)
Related Parts
5940-00-043-3111INTERCHANGEABLE
TERMINAL,LUG
4410-00-071-4866INTERCHANGEABLE
EXPANSION TUBE ASSE
5120-00-087-0696INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-087-0700INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5815-00-126-8222INTERCHANGEABLE
BRACKET
80120
5120-00-189-7918INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7919INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7920INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7922INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM12
5120-00-189-7923INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM14
5120-00-243-2957INTERCHANGEABLE
HAMMER,HAND
4730-00-278-3560INTERCHANGEABLE
NIPPLE,PIPE
A733XS-97CFG

Frequently Asked Questions

What is NSN 5120-00-189-7921?

NSN 5120-00-189-7921 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 5120-00-189-7921?

NSN 5120-00-189-7921 has 15 cross-referenced part numbers: 2511 (Wright Tool Company, Llc), B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), 11206 (Signet Tool International Co Ltd), B107.1 TY1CL2 (General Services Administration Federal Supply Service) and 10 more.

What NSN replaces 5120-00-189-7921?

There are 12 known substitutes for 5120-00-189-7921: 5940-00-043-3111, 4410-00-071-4866, 5120-00-087-0696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of STM11?

Key specifications for STM11: Special Markings: 11/32 IN. IN; Material: STEEL OVERALL; Wrenching End Opening Depth: 0.156 INCHES MINIMUM IN; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7921 still in active supply?

NSN 5120-00-189-7921 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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