PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Wrench,box

Sae International Dba Sae International · NSN 5120-00-889-1858 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-889-1858 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-889-1858. Primary manufacturer part number: AS954.
Features
  • Wrench,box — FSC 5120
  • Large End Outside Diameter: 0.830 INCHES MAXIMUM IN
  • Small End Head Thickness: 0.359 INCHES MAXIMUM IN
  • Small End Outside Diameter: 0.750 INCHES MAXIMUM IN
  • Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD
  • Special Markings: WRENCH SIZE
  • Specification/standard Data: 81343-AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT BOTH ENDS INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,box, cataloged under National Stock Number 5120-00-889-1858, 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 14 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: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-889-1858
Primary Part NumberAS954
Item NameWrench,box
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Large End Outside Diameter0.830 INCHES MAXIMUM IN
Small End Head Thickness0.359 INCHES MAXIMUM IN
Small End Outside Diameter0.750 INCHES MAXIMUM IN
Style DesignatorSHALLOW ANGULAR OFFSET DOUBLE HEAD
Special MarkingsWRENCH SIZE
Specification/standard Data81343-AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT BOTH ENDS INTERNAL
Wrenching End Offset Angle10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM
Wrenching Surface Size0.500 INCHES NOMINAL FIRST END IN
Nondefinitive Spec/std Data2 TYPE AND 1 CLASS
Large End Head Thickness0.406 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Wrenching Surface Size0.562 INCHES NOMINAL SECOND END IN
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-018-1553 INTERCHANGEABLE
Socket,socket Wrench
5120-00-082-8526 INTERCHANGEABLE
Socket,socket Wrench
5120-00-177-7082XDH2226 INTERCHANGEABLE
Wrench,box
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-189-8609 INTERCHANGEABLE
Socket,socket Wrench
5120-00-227-6702 INTERCHANGEABLE
Socket,socket Wrench
5120-00-227-6703 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5878 INTERCHANGEABLE
Socket,socket Wrench
5120-00-540-26621C2671P1 INTERCHANGEABLE
Socket,socket Wrench
General Electric Company
5120-00-541-4074TMCOS18 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-867-5517 INTERCHANGEABLE
Adapter,torque Wrench
Cross-Reference Index
Part NumberManufacturer
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
XWS2149 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
AS954 TY2CL1 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-018-1553INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-082-8526INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-177-7082INTERCHANGEABLE
WRENCH,BOX
XDH2226
5120-00-189-8609INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-227-6702INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-227-6703INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5878INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-540-2662INTERCHANGEABLE
SOCKET,SOCKET WRENCH
1C2671P1
5120-00-541-4074INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
TMCOS18
5120-00-867-5517INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
5120-00-889-1685INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-889-1693INTERCHANGEABLE
HANDLE,SOCKET WRENCH
FL720A

Frequently Asked Questions

What is NSN 5120-00-889-1858?

NSN 5120-00-889-1858 is a Wrench,box, manufactured by Sae International Dba Sae International, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-889-1858?

NSN 5120-00-889-1858 has 4 cross-referenced part numbers: AS954 (Sae International Dba Sae International), AS954 (Society of Automotive Engineers Inc), XWS2149 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), AS954 TY2CL1 (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-889-1858?

There are 12 known substitutes for 5120-00-889-1858: 5120-00-018-1553, 5120-00-082-8526, 5120-00-177-7082 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Large End Outside Diameter: 0.830 INCHES MAXIMUM IN; Small End Head Thickness: 0.359 INCHES MAXIMUM IN; Small End Outside Diameter: 0.750 INCHES MAXIMUM IN; Style Designator: SHALLOW ANGULAR OFFSET DOUBLE HEAD. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-889-1858 still in active supply?

NSN 5120-00-889-1858 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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