PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY3Adapter,torque Wrench

General Services Administration Federal Supply Service · NSN 5120-01-277-1239 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-277-1239 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-277-1239. Primary manufacturer part number: AS954 TY3.
Features
  • Adapter,torque Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.255 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 0.313 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 3 TYPE
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Head Thickness: 0.125 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,torque Wrench, cataloged under National Stock Number 5120-01-277-1239, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5120-01-277-1239
Primary Part NumberAS954 TY3
Item NameAdapter,torque Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.255 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size0.313 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data3 TYPE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head Thickness0.125 INCHES NOMINAL IN
Style DesignatorOFFSET
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
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
5120-01-278-7266 INTERCHANGEABLE
Adapter,torque Wrench
5120-01-278-8253 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 TY3 General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
SA852AS108 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (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
5120-01-278-7266INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-01-278-8253INTERCHANGEABLE
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 5120-01-277-1239?

NSN 5120-01-277-1239 is a Adapter,torque Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-277-1239?

NSN 5120-01-277-1239 has 4 cross-referenced part numbers: AS954 TY3 (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), SA852AS108 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), AS954 (Sae International Dba Sae International).

What NSN replaces 5120-01-277-1239?

There are 12 known substitutes for 5120-01-277-1239: 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 TY3?

Key specifications for AS954 TY3: Material: STEEL OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Drive Surface Size: 0.255 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 0.313 INCHES NOMINAL SINGLE END IN. 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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