PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box and Open End,combinat

Sae International Dba Sae International · NSN 5120-01-054-7138 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-054-7138 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-054-7138. Primary manufacturer part number: AS954.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE
  • Wrenching End Offset Angle: 15.0 DEGREES NOMINAL
  • Style Designator: OFFSET
  • Wrenching Surface Shape: OVAL FIRST END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 21.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-054-7138, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-054-7138
Primary Part NumberAS954
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND B STYLE
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Style DesignatorOFFSET
Wrenching Surface ShapeOVAL FIRST END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size21.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Head Angle15.0 DEGREES NOMINAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5950-00-731-141010044410 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5910-01-110-0385 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5962-01-201-682842938 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5330-01-274-5596 INTERCHANGEABLE
Seal,plain
5365-01-396-8078 INTERCHANGEABLE
Shim
5940-01-582-58596362-1 INTERCHANGEABLE
Cover,terminal Board
Edro Corporation, the Dba Edro Corp
Cross-Reference Index
Part NumberManufacturer
AS954 Sae International Dba Sae International (USA)
AS955 Sae International Dba Sae International (USA)
63-621 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)
DIN 600 21X21MM Metric and Multistandard Components Corp (USA)
AS954 TY2CL4STB General Services Administration Federal Supply Service (USA)
9-42938 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.6 The American Society of Mechanical Engineers (USA)
B107.6 TY1 General Services Administration Federal Supply Service (USA)
600 Metric and Multistandard Components Corp (USA)
600-21MMX21MM Metric and Multistandard Components Corp (USA)
AS955 Society of Automotive Engineers Inc (USA)
AS955 TY3CL1STB General Services Administration Federal Supply Service (USA)
00942938000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
63-621 Apex Tool Group, Llc Dba Nicholson (USA)
42938 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.9M The American Society of Mechanical Engineers (USA)
Related Parts
5950-00-731-1410INTERCHANGEABLE
TRANSFORMER,POWER
10044410
5910-01-110-0385INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5962-01-201-6828INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42938
5330-01-274-5596INTERCHANGEABLE
SEAL,PLAIN
5365-01-396-8078INTERCHANGEABLE
SHIM
5940-01-582-5859INTERCHANGEABLE
COVER,TERMINAL BOARD
6362-1

Frequently Asked Questions

What is NSN 5120-01-054-7138?

NSN 5120-01-054-7138 is a Wrench,box and Open End,combinat, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-054-7138?

NSN 5120-01-054-7138 has 17 cross-referenced part numbers: AS954 (Sae International Dba Sae International), AS955 (Sae International Dba Sae International), 63-621 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), B107.100 (The American Society of Mechanical Engineers), DIN 600 21X21MM (Metric and Multistandard Components Corp) and 12 more.

What NSN replaces 5120-01-054-7138?

There are 6 known substitutes for 5120-01-054-7138: 5950-00-731-1410, 5910-01-110-0385, 5962-01-201-6828 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND B STYLE; Wrenching End Offset Angle: 15.0 DEGREES NOMINAL; Style Designator: OFFSET; Wrenching Surface Shape: OVAL FIRST END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-054-7138 still in active supply?

NSN 5120-01-054-7138 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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