PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Society of Automotive Engineers Inc · NSN 5120-00-228-9521 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-228-9521 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-228-9521. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Special Markings: WRENCH SIZE
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Size: 1.062 INCHES NOMINAL FIRST END IN
  • Wrenching Surface Size: 1.125 INCHES NOMINAL SECOND END IN
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-228-9521, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 12 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
NSN5120-00-228-9521
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Special MarkingsWRENCH SIZE
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Size1.062 INCHES NOMINAL FIRST END IN
Wrenching Surface Size1.125 INCHES NOMINAL SECOND END IN
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
MaterialSTEEL OVERALL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5960-00-068-53307735A INTERCHANGEABLE
Electron Tube
National Electronics Div of Richardson Electronics Ltd
5920-00-184-1437313-200 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5120-00-184-8676 INTERCHANGEABLE
Wrench,box
5120-00-184-8677 INTERCHANGEABLE
Wrench,box
5120-00-184-8678 INTERCHANGEABLE
Wrench,box
3455-00-189-9161 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
5120-00-204-2670 INTERCHANGEABLE
Wrench,box
5120-00-222-1592 INTERCHANGEABLE
Wrench,box
5120-00-222-1593 INTERCHANGEABLE
Wrench,box
5120-00-222-1599 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
53436 Wright Tool Company, Llc (USA)
B107.9 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1342 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 TY2CL1STA General Services Administration Federal Supply Service (USA)
B107.9 The American Society of Mechanical Engineers (USA)
A-A-1344 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
7735A Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.9 TY3CL1 General Services Administration Federal Supply Service (USA)
XD3436 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
X3436 Sna Germany Gmbh (DEU)
J1034-500 The Stanley Works Dba Stanley Proto (USA)
AS954 Sae International Dba Sae International (USA)
XD3436 Sna Germany Gmbh (DEU)
7735A Williams J H Industrial Products Inc (USA)
B107.6 The American Society of Mechanical Engineers (USA)
Related Parts
5960-00-068-5330INTERCHANGEABLE
ELECTRON TUBE
7735A
5920-00-184-1437INTERCHANGEABLE
FUSE,CARTRIDGE
313-200
5120-00-184-8676INTERCHANGEABLE
WRENCH,BOX
5120-00-184-8677INTERCHANGEABLE
WRENCH,BOX
5120-00-184-8678INTERCHANGEABLE
WRENCH,BOX
3455-00-189-9161INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
5120-00-204-2670INTERCHANGEABLE
WRENCH,BOX
5120-00-222-1592INTERCHANGEABLE
WRENCH,BOX
5120-00-222-1593INTERCHANGEABLE
WRENCH,BOX
5120-00-222-1599INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3135INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3136INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-228-9521?

NSN 5120-00-228-9521 is a Wrench,box, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-228-9521?

NSN 5120-00-228-9521 has 18 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), 53436 (Wright Tool Company, Llc), B107.9 TY1CL1 (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 13 more.

What NSN replaces 5120-00-228-9521?

There are 12 known substitutes for 5120-00-228-9521: 5960-00-068-5330, 5920-00-184-1437, 5120-00-184-8676 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Overall Length: 16.750 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Special Markings: WRENCH SIZE; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-228-9521 still in active supply?

NSN 5120-00-228-9521 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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