PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS954 TY1CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-261-2816 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-261-2816 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-261-2816. Primary manufacturer part number: AS954 TY1CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Special Markings: 1-3/16 IN. IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-261-2816, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Active.

Technical Specifications
ParameterValue
NSN5120-00-261-2816
Primary Part NumberAS954 TY1CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Surface TreatmentCHROMIUM OVERALL
Special Markings1-3/16 IN. IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Drive End Outside Diameter1.700 INCHES MAXIMUM IN
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size1.188 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching End Opening Depth0.656 INCHES MINIMUM IN
Wrenching End Outside Diameter1.700 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-261-2811 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2812 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2813 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2814 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2815 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2817 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2818 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2819 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2820 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2821 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
A-A-1395 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-261-2811INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2812INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2813INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2814INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2815INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2817INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2818INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2819INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2820INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2821INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2822INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2823INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-261-2816?

NSN 5120-00-261-2816 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 5120-00-261-2816?

NSN 5120-00-261-2816 has 8 cross-referenced part numbers: AS954 TY1CL1STB (General Services Administration Federal Supply Service), B107.1 TY1CL2 (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), AS954 (Society of Automotive Engineers Inc), A-A-1395 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 5120-00-261-2816?

There are 12 known substitutes for 5120-00-261-2816: 5120-00-261-2811, 5120-00-261-2812, 5120-00-261-2813 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS954 TY1CL1STB?

Key specifications for AS954 TY1CL1STB: Overall Length: 3.436 INCHES MINIMUM IN; Surface Treatment: CHROMIUM OVERALL; Special Markings: 1-3/16 IN. IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com