PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Society of Automotive Engineers Inc · NSN 5120-01-378-9127 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-378-9127 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-378-9127. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Wrenching End Offset Angle: 10.0 DEGREES NOMINAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.219 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Size: 0.188 INCHES NOMINAL FIRST END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-01-378-9127, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN5120-01-378-9127
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Wrenching End Offset Angle10.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.219 INCHES NOMINAL SECOND END IN
Wrenching Surface Size0.188 INCHES NOMINAL FIRST END IN
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND A STYLE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-184-8602 INTERCHANGEABLE
Wrench,box
5120-00-224-3154 INTERCHANGEABLE
Wrench,box
5120-00-228-9526 INTERCHANGEABLE
Wrench,box
5120-00-277-1441 INTERCHANGEABLE
Wrench,box
5120-00-277-1444 INTERCHANGEABLE
Wrench,box
5120-00-529-1483 INTERCHANGEABLE
Wrench,box
5120-00-935-7362 INTERCHANGEABLE
Wrench,box
5120-01-131-4463 INTERCHANGEABLE
Wrench,box
5120-01-161-1901 INTERCHANGEABLE
Wrench,box
5120-01-428-8401 INTERCHANGEABLE
Wrench Set,box
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
B107.9 The American Society of Mechanical Engineers (USA)
B107.9 TY1CL2 General Services Administration Federal Supply Service (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 TY2CL2STA General Services Administration Federal Supply Service (USA)
XS67 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
XS67A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY2CL1STA General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-184-8602INTERCHANGEABLE
WRENCH,BOX
5120-00-224-3154INTERCHANGEABLE
WRENCH,BOX
5120-00-228-9526INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1441INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1444INTERCHANGEABLE
WRENCH,BOX
5120-00-529-1483INTERCHANGEABLE
WRENCH,BOX
5120-00-935-7362INTERCHANGEABLE
WRENCH,BOX
5120-01-131-4463INTERCHANGEABLE
WRENCH,BOX
5120-01-161-1901INTERCHANGEABLE
WRENCH,BOX
5120-01-428-8401INTERCHANGEABLE
WRENCH SET,BOX
5120-01-428-8752INTERCHANGEABLE
WRENCH SET,BOX
5120-01-428-8763INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-01-378-9127?

NSN 5120-01-378-9127 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 5120-01-378-9127?

NSN 5120-01-378-9127 has 9 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), B107.9 (The American Society of Mechanical Engineers), B107.9 TY1CL2 (General Services Administration Federal Supply Service), B107.100 (The American Society of Mechanical Engineers), AS954 TY2CL2STA (General Services Administration Federal Supply Service) and 4 more.

What NSN replaces 5120-01-378-9127?

There are 12 known substitutes for 5120-01-378-9127: 5120-00-184-8602, 5120-00-224-3154, 5120-00-228-9526 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Overall Length: 8.844 INCHES NOMINAL IN; Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD; Wrenching End Offset Angle: 10.0 DEGREES NOMINAL; Surface Treatment: CHROMIUM OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-378-9127 still in active supply?

NSN 5120-01-378-9127 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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