PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS955Wrench,box and Open End,combinat

Sae International Dba Sae International · NSN 5120-01-581-3318 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-581-3318 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-581-3318. Primary manufacturer part number: AS955.
Features
  • Wrench,box and Open End,combinat — FSC 5120
  • Head Angle: 15.0 DEGREES NOMINAL
  • Wrenching Surface Shape: 12 POINT SECOND END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Features Provided: FULL POLISH
  • Nondefinitive Spec/std Data: 2 TYPE AND 4 CLASS AND C STYLE
  • Style Designator: OFFSET
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box and Open End,combinat, cataloged under National Stock Number 5120-01-581-3318, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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
NSN5120-01-581-3318
Primary Part NumberAS955
Item NameWrench,box and Open End,combinat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Head Angle15.0 DEGREES NOMINAL
Wrenching Surface Shape12 POINT SECOND END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Features ProvidedFULL POLISH
Nondefinitive Spec/std Data2 TYPE AND 4 CLASS AND C STYLE
Style DesignatorOFFSET
Wrenching Surface ShapeOVAL FIRST END INTERNAL
Wrenching Surface Size24.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching End Offset Angle15.0 DEGREES NOMINAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3455-00-517-555517446 INTERCHANGEABLE
Cutter,milling,side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5210-00-619-404552-225-015 INTERCHANGEABLE
Gage,depth,micrometer
Fred V. Fowler Company, L.l.c.
6210-00-916-1344 INTERCHANGEABLE
Panel,indicating,light Transmitt
5998-01-188-210552224 INTERCHANGEABLE
Circuit Card Assembly
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
7021-01-371-5636 INTERCHANGEABLE
Computer Subassembly
5120-01-430-4499J52224 INTERCHANGEABLE
Wrench Set,socket
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
AS955 Sae International Dba Sae International (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY2CL4STC General Services Administration Federal Supply Service (USA)
AS955 TY3CL1STC General Services Administration Federal Supply Service (USA)
81742 Apex Tool Group, Llc Dba Nicholson (USA)
52-224 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
52-224 Apex Tool Group, Llc Dba Nicholson (USA)
AS955 Society of Automotive Engineers Inc (USA)
52-224 Armstrong Bros Tool Co (USA)
Related Parts
3455-00-517-5555INTERCHANGEABLE
CUTTER,MILLING,SIDE
17446
5210-00-619-4045INTERCHANGEABLE
GAGE,DEPTH,MICROMETER
52-225-015
6210-00-916-1344INTERCHANGEABLE
PANEL,INDICATING,LIGHT TRANSMITT
5998-01-188-2105INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
52224
7021-01-371-5636INTERCHANGEABLE
COMPUTER SUBASSEMBLY
5120-01-430-4499INTERCHANGEABLE
WRENCH SET,SOCKET
J52224

Frequently Asked Questions

What is NSN 5120-01-581-3318?

NSN 5120-01-581-3318 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 5120-01-581-3318?

NSN 5120-01-581-3318 has 9 cross-referenced part numbers: AS955 (Sae International Dba Sae International), AS954 (Sae International Dba Sae International), AS954 TY2CL4STC (General Services Administration Federal Supply Service), AS955 TY3CL1STC (General Services Administration Federal Supply Service), 81742 (Apex Tool Group, Llc Dba Nicholson) and 4 more.

What NSN replaces 5120-01-581-3318?

There are 6 known substitutes for 5120-01-581-3318: 3455-00-517-5555, 5210-00-619-4045, 6210-00-916-1344 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS955?

Key specifications for AS955: Head Angle: 15.0 DEGREES NOMINAL; Wrenching Surface Shape: 12 POINT SECOND END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-581-3318 still in active supply?

NSN 5120-01-581-3318 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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