PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY1CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-288-9285 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-288-9285 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-288-9285. Primary manufacturer part number: AS954 TY1CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Outside Diameter: 2.000 INCHES NOMINAL IN
  • Wrenching End Opening Depth: 1.875 INCHES NOMINAL IN
  • Features Provided: MANUAL TOOL AND NONSPARKING AND NONMAGNETIC
  • Style Designator: INTERNAL-INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Outside Diameter: 1.562 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-288-9285, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-288-9285
Primary Part NumberAS954 TY1CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Wrenching End Outside Diameter2.000 INCHES NOMINAL IN
Wrenching End Opening Depth1.875 INCHES NOMINAL IN
Features ProvidedMANUAL TOOL AND NONSPARKING AND NONMAGNETIC
Style DesignatorINTERNAL-INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End Outside Diameter1.562 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size1.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialCOPPER ALLOY OVERALL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2590-00-223-56334984159 INTERCHANGEABLE
Cap,filler Opening
Kalmar AC Inc
Cross-Reference Index
Part NumberManufacturer
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
W-944 Ngk Metals Corporation Dba N G K Berylco (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
W-944-2512 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
2590-00-223-5633INTERCHANGEABLE
CAP,FILLER OPENING
4984159

Frequently Asked Questions

What is NSN 5120-00-288-9285?

NSN 5120-00-288-9285 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-288-9285?

NSN 5120-00-288-9285 has 5 cross-referenced part numbers: AS954 TY1CL1STB (General Services Administration Federal Supply Service), W-944 (Ngk Metals Corporation Dba N G K Berylco), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International), W-944-2512 (Ngk Metals Corporation Dba N G K Berylco).

What NSN replaces 5120-00-288-9285?

There is 1 known substitute for 5120-00-288-9285: 2590-00-223-5633. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY1CL1STB?

Key specifications for AS954 TY1CL1STB: Wrenching End Outside Diameter: 2.000 INCHES NOMINAL IN; Wrenching End Opening Depth: 1.875 INCHES NOMINAL IN; Overall Length: 2.375 INCHES NOMINAL IN; Features Provided: MANUAL TOOL AND NONSPARKING AND NONMAGNETIC. 13 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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