PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-1408Socket,socket Wrench

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 5120-00-189-7920 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-189-7920 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-189-7920. Primary manufacturer part number: A-A-1408.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Outside Diameter: 0.510 INCHES MAXIMUM IN
  • Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Nondefinitive Spec/std Data: 1 TYPE
  • Special Markings: 5/16 IN. IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-189-7920, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-189-7920
Primary Part NumberA-A-1408
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
Wrenching End Outside Diameter0.510 INCHES MAXIMUM IN
Wrenching Surface Size0.312 INCHES NOMINAL SINGLE END IN
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Nondefinitive Spec/std Data1 TYPE
Special Markings5/16 IN. IN
MaterialSTEEL OVERALL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Drive End Outside Diameter0.510 INCHES MAXIMUM IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching End Opening Depth0.141 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
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
5120-00-189-7921STM11 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
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
5120-00-935-4570 INTERCHANGEABLE
Socket,socket Wrench
5120-01-335-0952STM10 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
7025-01-685-7326 INTERCHANGEABLE
Disk Drive Unit
Cross-Reference Index
Part NumberManufacturer
A-A-1408 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
900AS/L-5/16 Beta Utensili S.p.a. (ITA)
11205 Signet Tool International Co Ltd
STM10 Sna Germany Gmbh (DEU)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.110 CAT 1 TY1 General Services Administration Federal Supply Service (USA)
GW-1510 The Stanley Works Dba Stanley Proto (USA)
67679 Egamaster SL (ESP)
009000309 Beta Utensili S.p.a. (ITA)
B107.1 The American Society of Mechanical Engineers (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
5120-00-189-7921INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM11
5120-00-189-7922INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM12
5120-00-189-7923INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM14
5120-00-935-4570INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-335-0952INTERCHANGEABLE
SOCKET,SOCKET WRENCH
STM10
7025-01-685-7326INTERCHANGEABLE
DISK DRIVE UNIT

Frequently Asked Questions

What is NSN 5120-00-189-7920?

NSN 5120-00-189-7920 is a Socket,socket Wrench, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-7920?

NSN 5120-00-189-7920 has 13 cross-referenced part numbers: A-A-1408 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.1 CL1STB (General Services Administration Federal Supply Service), 900AS/L-5/16 (Beta Utensili S.p.a.), 11205 (Signet Tool International Co Ltd) and 8 more.

What NSN replaces 5120-00-189-7920?

There are 10 known substitutes for 5120-00-189-7920: 5120-00-087-0696, 5120-00-087-0700, 5120-00-189-7918 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-1408?

Key specifications for A-A-1408: Wrenching End Outside Diameter: 0.510 INCHES MAXIMUM IN; Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN; Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT; Nondefinitive Spec/std Data: 1 TYPE. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-7920 still in active supply?

NSN 5120-00-189-7920 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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