PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Sae International Dba Sae International · NSN 5120-00-224-3142 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-224-3142 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-224-3142. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 0.750 INCHES MAXIMUM FIRST END IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Special Markings: WRENCH SIZE
  • Wrenching End Offset Angle: 40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-224-3142, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 13 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
NSN5120-00-224-3142
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Wrenching Surface Size0.750 INCHES MAXIMUM FIRST END IN
Nondefinitive Spec/std Data2 TYPE AND 3 CLASS AND A STYLE
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Special MarkingsWRENCH SIZE
Wrenching End Offset Angle40.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.875 INCHES MAXIMUM SECOND END IN
Style DesignatorDEEP ANGULAR OFFSET DOUBLE HEAD
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-222-1593 INTERCHANGEABLE
Wrench,box
5120-00-222-1599 INTERCHANGEABLE
Wrench,box
5120-00-224-3135 INTERCHANGEABLE
Wrench,box
5120-00-224-3136 INTERCHANGEABLE
Wrench,box
5120-00-224-3137 INTERCHANGEABLE
Wrench,box
5120-00-224-3140 INTERCHANGEABLE
Wrench,box
5120-00-224-3141 INTERCHANGEABLE
Wrench,box
5120-00-224-3144 INTERCHANGEABLE
Wrench,box
5120-00-228-9521 INTERCHANGEABLE
Wrench,box
5120-00-264-5210 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
AS954 Sae International Dba Sae International (USA)
AS954 TY2CL3STB General Services Administration Federal Supply Service (USA)
27-424 Armstrong Bros Tool Co (USA)
8731A Martin Sprocket and Gear Inc (USA)
41062 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
AS954 TY2CL3STA General Services Administration Federal Supply Service (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.9 The American Society of Mechanical Engineers (USA)
26-2755 Martin Sprocket and Gear Inc (USA)
AS954 Society of Automotive Engineers Inc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
555242816R Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
27-424 Apex Tool Group, Llc Dba Nicholson (USA)
27-424 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.9 TY3CL1 General Services Administration Federal Supply Service (USA)
8731A Williams J H Industrial Products Inc (USA)
A-A-1344 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
8731A Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.6 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-222-1593INTERCHANGEABLE
WRENCH,BOX
5120-00-222-1599INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3135INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3136INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3137INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3140INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3141INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3144INTERCHANGEABLE
WRENCH,BOX
5120-00-228-9521INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5210INTERCHANGEABLE
WRENCH,BOX
5120-00-264-5212INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1582INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-224-3142?

NSN 5120-00-224-3142 is a Wrench,box, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-224-3142?

NSN 5120-00-224-3142 has 19 cross-referenced part numbers: AS954 (Sae International Dba Sae International), AS954 TY2CL3STB (General Services Administration Federal Supply Service), 27-424 (Armstrong Bros Tool Co), 8731A (Martin Sprocket and Gear Inc), 41062 (Trw Inc Hand Tools Div Trw Industrial Products Group) and 14 more.

What NSN replaces 5120-00-224-3142?

There are 12 known substitutes for 5120-00-224-3142: 5120-00-222-1593, 5120-00-222-1599, 5120-00-224-3135 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Wrenching Surface Size: 0.750 INCHES MAXIMUM FIRST END IN; Nondefinitive Spec/std Data: 2 TYPE AND 3 CLASS AND A STYLE; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL; Special Markings: WRENCH SIZE. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-224-3142 still in active supply?

NSN 5120-00-224-3142 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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