PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box and Open End,combinat

Society of Automotive Engineers Inc · NSN 5120-01-335-1243 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-1243 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-1243. Primary manufacturer part number: AS954.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND D STYLE
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Wrenching Surface Size: 0.438 INCHES NOMINAL BOTH ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-335-1243, 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 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-1243
Primary Part NumberAS954
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND D STYLE
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Wrenching Surface Size0.438 INCHES NOMINAL BOTH ENDS IN
Style DesignatorOFFSET
Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-01-335-1245JHW-11218 INTERCHANGEABLE
Wrench,box and Open End,combinat
Williams J H Industrial Products Inc
5120-01-335-1246 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1247 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1249 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1250 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1251 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-335-1252 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-367-3372 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-367-3374 INTERCHANGEABLE
Wrench,box and Open End,combinat
5120-01-399-8803 INTERCHANGEABLE
Wrench,box and Open End,combinat
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 TY2CL4STD General Services Administration Federal Supply Service (USA)
OEXL14B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.6 TY3 General Services Administration Federal Supply Service (USA)
OEXL14B Snap on Tools (AUS)
AS954 TY2CL4STA General Services Administration Federal Supply Service (USA)
OEXL14 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.6 The American Society of Mechanical Engineers (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-01-335-1245INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
JHW-11218
5120-01-335-1246INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1247INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1249INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1250INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1251INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-335-1252INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-367-3372INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-367-3374INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8803INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8830INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
5120-01-399-8851INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT

Frequently Asked Questions

What is NSN 5120-01-335-1243?

NSN 5120-01-335-1243 is a Wrench,box and Open End,combinat, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-335-1243?

NSN 5120-01-335-1243 has 10 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), B107.100 (The American Society of Mechanical Engineers), AS954 TY2CL4STD (General Services Administration Federal Supply Service), OEXL14B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.6 TY3 (General Services Administration Federal Supply Service) and 5 more.

What NSN replaces 5120-01-335-1243?

There are 12 known substitutes for 5120-01-335-1243: 5120-01-335-1245, 5120-01-335-1246, 5120-01-335-1247 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND D STYLE; Wrenching Surface Shape: OVAL FIRST END INTERNAL; Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 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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