PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Sae International Dba Sae International · NSN 5120-01-378-8226 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-378-8226 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-378-8226. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Wrenching Surface Size: 0.438 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND B STYLE
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-378-8226, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-378-8226
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusACTIVE
Wrenching Surface Size0.438 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.375 INCHES NOMINAL FIRST END IN
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS AND B STYLE
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-018-1576 INTERCHANGEABLE
Wrench,box
5120-00-018-1583 INTERCHANGEABLE
Wrench,box
5120-00-224-3154 INTERCHANGEABLE
Wrench,box
5120-00-935-7358 INTERCHANGEABLE
Wrench,box
5120-01-378-5401XDH2024A INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-378-8299 INTERCHANGEABLE
Wrench,box
5120-01-378-8496 INTERCHANGEABLE
Wrench,box
5120-01-379-5440 INTERCHANGEABLE
Wrench,box
5120-01-428-8512 INTERCHANGEABLE
Wrench Set,box
5120-01-437-2158 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
AS954 Sae International Dba Sae International (USA)
XDH1214A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.9 The American Society of Mechanical Engineers (USA)
AS954 TY2CL1STB General Services Administration Federal Supply Service (USA)
XDH1214 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.9 TY1CL1 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 Society of Automotive Engineers Inc (USA)
XDH1214A Vanas (BEL)
Related Parts
5120-00-018-1576INTERCHANGEABLE
WRENCH,BOX
5120-00-018-1583INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3154INTERCHANGEABLE
WRENCH,BOX
5120-00-935-7358INTERCHANGEABLE
WRENCH,BOX
5120-01-378-5401INTERCHANGEABLE
WRENCH,BOX
XDH2024A
5120-01-378-8299INTERCHANGEABLE
WRENCH,BOX
5120-01-378-8496INTERCHANGEABLE
WRENCH,BOX
5120-01-379-5440INTERCHANGEABLE
WRENCH,BOX
5120-01-428-8512INTERCHANGEABLE
WRENCH SET,BOX
5120-01-437-2158INTERCHANGEABLE
WRENCH,BOX
5120-01-679-4223INTERCHANGEABLE
WRENCH,BOX
XDH2428

Frequently Asked Questions

What is NSN 5120-01-378-8226?

NSN 5120-01-378-8226 is a Wrench,box, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-378-8226?

NSN 5120-01-378-8226 has 9 cross-referenced part numbers: AS954 (Sae International Dba Sae International), XDH1214A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.9 (The American Society of Mechanical Engineers), AS954 TY2CL1STB (General Services Administration Federal Supply Service), XDH1214 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 4 more.

What NSN replaces 5120-01-378-8226?

There are 11 known substitutes for 5120-01-378-8226: 5120-00-018-1576, 5120-00-018-1583, 5120-00-224-3154 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Wrenching Surface Size: 0.438 INCHES NOMINAL SECOND END IN; Wrenching Surface Size: 0.375 INCHES NOMINAL FIRST END IN; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND B STYLE; Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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