PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Society of Automotive Engineers Inc · NSN 5120-00-277-1593 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-277-1593 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-277-1593. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Special Markings: WRENCH SIZE
  • Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
  • Wrenching Surface Size: 1.125 INCHES NOMINAL FIRST END IN
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-277-1593, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 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
NSN5120-00-277-1593
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Special MarkingsWRENCH SIZE
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS AND A STYLE
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching Surface Size1.125 INCHES NOMINAL FIRST END IN
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface Size1.312 INCHES NOMINAL SECOND END IN
Large End Head Thickness0.812 INCHES MAXIMUM IN
Large End Outside Diameter1.906 INCHES MAXIMUM IN
Small End Outside Diameter1.625 INCHES MAXIMUM IN
Small End Head Thickness0.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-224-3149XD1922 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-224-3150XV2526 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1439 INTERCHANGEABLE
Wrench,box
5120-00-277-1589 INTERCHANGEABLE
Wrench,box
5120-00-277-1590 INTERCHANGEABLE
Wrench,box
5120-00-277-1594 INTERCHANGEABLE
Wrench,box
5120-00-277-3363 INTERCHANGEABLE
Wrench,box
5120-00-277-3366 INTERCHANGEABLE
Wrench,box
5136-00-865-2179 INTERCHANGEABLE
Tap,thread Cutting
5120-01-024-6379 INTERCHANGEABLE
Wrench,box
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
26-775 Apex Tool Group, Llc Dba Nicholson (USA)
26-775 Armstrong Bros Tool Co (USA)
AS954 Sae International Dba Sae International (USA)
GGG-W-636 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.9 TY1CL1 General Services Administration Federal Supply Service (USA)
26-775 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.100 The American Society of Mechanical Engineers (USA)
AS954 TY2CL1STA General Services Administration Federal Supply Service (USA)
B107.6 The American Society of Mechanical Engineers (USA)
GGG-W-636 TY1CL1ST1 General Services Administration Federal Supply Service (USA)
B107.9 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-224-3149INTERCHANGEABLE
WRENCH,BOX
XD1922
5120-00-224-3150INTERCHANGEABLE
WRENCH,BOX
XV2526
5120-00-277-1439INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1589INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1590INTERCHANGEABLE
WRENCH,BOX
5120-00-277-1594INTERCHANGEABLE
WRENCH,BOX
5120-00-277-3363INTERCHANGEABLE
WRENCH,BOX
5120-00-277-3366INTERCHANGEABLE
WRENCH,BOX
5136-00-865-2179INTERCHANGEABLE
TAP,THREAD CUTTING
5120-01-024-6379INTERCHANGEABLE
WRENCH,BOX
5120-01-025-4506INTERCHANGEABLE
WRENCH,BOX
5120-01-025-4507INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-277-1593?

NSN 5120-00-277-1593 is a Wrench,box, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-277-1593?

NSN 5120-00-277-1593 has 12 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), 26-775 (Apex Tool Group, Llc Dba Nicholson), 26-775 (Armstrong Bros Tool Co), AS954 (Sae International Dba Sae International), GGG-W-636 (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5120-00-277-1593?

There are 12 known substitutes for 5120-00-277-1593: 5120-00-224-3149, 5120-00-224-3150, 5120-00-277-1439 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Special Markings: WRENCH SIZE; Nondefinitive Spec/std Data: 2 TYPE AND 1 CLASS AND A STYLE; Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD; Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL. 15 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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