PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Adapter,torque Wrench

Society of Automotive Engineers Inc · NSN 5120-01-278-8253 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-278-8253 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-278-8253. Primary manufacturer part number: AS954.
Features
  • Adapter,torque Wrench — FSC 5120
  • Style Designator: BOX END
  • Drive End Head Thickness: 0.438 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SECOND END IN
  • Wrenching Surface Shape: 12 POINT FIRST END INTERNAL
  • Wrenching Surface Size: 0.438 INCHES NOMINAL FIRST END IN
  • Drive End Shape: SQUARE SECOND END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,torque Wrench, cataloged under National Stock Number 5120-01-278-8253, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5120-01-278-8253
Primary Part NumberAS954
Item NameAdapter,torque Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Style DesignatorBOX END
Drive End Head Thickness0.438 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SECOND END IN
Wrenching Surface Shape12 POINT FIRST END INTERNAL
Wrenching Surface Size0.438 INCHES NOMINAL FIRST END IN
Drive End ShapeSQUARE SECOND END INTERNAL
Specification/standard Data81343-AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End Outside Diameter0.750 INCHES NOMINAL IN
Wrenching End Outside Diameter0.660 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM AND NICKEL OVERALL
Wrenching End Head Thickness0.349 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-020-5663 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-112-4496 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-112-4497 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-112-4498 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-277-1239 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-278-7266 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-367-3580 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-367-3589FRES8 INTERCHANGEABLE
Adapter,torque Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-429-733812KP483 INTERCHANGEABLE
Adapter,torque Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-429-7405FRDH101 INTERCHANGEABLE
Adapter,torque Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY3 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-020-5663INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-112-4496INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-112-4497INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-112-4498INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-277-1239INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-278-7266INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-367-3580INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-367-3589INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
FRES8
5120-01-429-7338INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
12KP483
5120-01-429-7405INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
FRDH101
5120-01-528-8734INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-603-0725INTERCHANGEABLE
TORQUE,ADAPTER

Frequently Asked Questions

What is NSN 5120-01-278-8253?

NSN 5120-01-278-8253 is a Adapter,torque Wrench, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-278-8253?

NSN 5120-01-278-8253 has 3 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), AS954 TY3 (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International).

What NSN replaces 5120-01-278-8253?

There are 12 known substitutes for 5120-01-278-8253: 5120-00-020-5663, 5120-01-112-4496, 5120-01-112-4497 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Overall Length: 1.600 INCHES MINIMUM AND 2.400 INCHES MAXIMUM IN; Style Designator: BOX END; Drive End Head Thickness: 0.438 INCHES NOMINAL IN; Special Features: MATERIAL, FORGED STEEL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-278-8253 still in active supply?

NSN 5120-01-278-8253 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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