PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 TY1CL2Socket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-243-7348 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-243-7348 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-243-7348. Primary manufacturer part number: B107.1 TY1CL2.
Features
  • Socket,socket Wrench — FSC 5120
  • Special Markings: 9/16 IN. IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Size: 0.562 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-243-7348, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 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
NSN5120-00-243-7348
Primary Part NumberB107.1 TY1CL2
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Special Markings9/16 IN. IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size0.562 INCHES NOMINAL SINGLE END IN
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Surface TreatmentCHROMIUM OVERALL
Departure From Cited DocumentRETENTION TYPE - DESIGN D, 4 CAVITIES
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-061-5349 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5120-00-235-5898 INTERCHANGEABLE
Socket,socket Wrench
5120-00-242-3349 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7339 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7340 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7341 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7342 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7343J5330 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5120-00-243-7345 INTERCHANGEABLE
Socket,socket Wrench
5120-00-243-7346 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
0391 3712 Blackwood J. Blackwood & Son Pty Ltd (AUS)
GGG-W-641 TY2CL2STB General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
A-A-1398 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
10394794-2 Us Army Aviation and Missile Command (USA)
4618 Wright Tool Co (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
349146 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
41W2965-18 General Stores Supply Office (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5905-00-061-5349INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5120-00-235-5898INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-242-3349INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7339INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7340INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7341INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7342INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7343INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5330
5120-00-243-7345INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7346INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7350INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-243-7351INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5316

Frequently Asked Questions

What is NSN 5120-00-243-7348?

NSN 5120-00-243-7348 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-243-7348?

NSN 5120-00-243-7348 has 14 cross-referenced part numbers: B107.1 TY1CL2 (General Services Administration Federal Supply Service), AS954 TY1CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), 0391 3712 (Blackwood J. Blackwood & Son Pty Ltd), GGG-W-641 TY2CL2STB (General Services Administration Federal Supply Service) and 9 more.

What NSN replaces 5120-00-243-7348?

There are 12 known substitutes for 5120-00-243-7348: 5905-00-061-5349, 5120-00-235-5898, 5120-00-242-3349 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 TY1CL2?

Key specifications for B107.1 TY1CL2: Special Markings: 9/16 IN. IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Features Provided: MANUAL TOOL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-243-7348 still in active supply?

NSN 5120-00-243-7348 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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