PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954Socket,socket Wrench

Society of Automotive Engineers Inc · NSN 5120-00-018-1553 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-018-1553 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-018-1553. Primary manufacturer part number: AS954.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 0.205 INCHES MINIMUM IN
  • Drive End Outside Diameter: 0.515 INCHES MAXIMUM IN
  • Style Designator: UNIVERSAL JOINT
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-018-1553, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5120-00-018-1553
Primary Part NumberAS954
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Wrenching End Opening Depth0.205 INCHES MINIMUM IN
Drive End Outside Diameter0.515 INCHES MAXIMUM IN
Style DesignatorUNIVERSAL JOINT
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching End Outside Diameter0.385 INCHES MAXIMUM IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-082-8526 INTERCHANGEABLE
Socket,socket Wrench
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
5120-00-889-1685 INTERCHANGEABLE
Socket,socket Wrench
5120-00-889-1693FL720A INTERCHANGEABLE
Handle,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
XWS2149 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
TDHU-81A Sna Germany Gmbh (DEU)
VU-8 Utica Tool Co Inc (USA)
32008-09 Utica Tool Co Inc (USA)
AS954 TY1CL2 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-082-8526INTERCHANGEABLE
SOCKET,SOCKET WRENCH
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
5120-00-889-1694INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-00-889-1858INTERCHANGEABLE
WRENCH,BOX

Frequently Asked Questions

What is NSN 5120-00-018-1553?

NSN 5120-00-018-1553 is a Socket,socket Wrench, manufactured by Society of Automotive Engineers Inc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-018-1553?

NSN 5120-00-018-1553 has 7 cross-referenced part numbers: AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International), XWS2149 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), TDHU-81A (Sna Germany Gmbh), VU-8 (Utica Tool Co Inc) and 2 more.

What NSN replaces 5120-00-018-1553?

There are 12 known substitutes for 5120-00-018-1553: 5120-00-082-8526, 5120-00-189-8609, 5120-00-227-6702 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954?

Key specifications for AS954: Wrenching End Opening Depth: 0.205 INCHES MINIMUM IN; Drive End Outside Diameter: 0.515 INCHES MAXIMUM IN; Style Designator: UNIVERSAL JOINT; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-018-1553 still in active supply?

NSN 5120-00-018-1553 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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