PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 TY1CL3Socket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-366-8357 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-366-8357 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-366-8357. Primary manufacturer part number: B107.1 TY1CL3.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-366-8357, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-366-8357
Primary Part NumberB107.1 TY1CL3
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 3 CLASS
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-011-47830033068 INTERCHANGEABLE
Pin,straight,headed
New Holland Construction
5120-01-398-778800943003000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5120-01-399-9545 INTERCHANGEABLE
Socket,socket Wrench
5120-01-429-3532 INTERCHANGEABLE
Socket Set,socket Wrench
5120-01-429-3589 INTERCHANGEABLE
Socket Set,socket Wrench
5120-01-641-1064 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.1 TY1CL3 General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
X206 Stanley Industrial & Automotive Llc (USA)
Related Parts
5315-00-011-4783INTERCHANGEABLE
PIN,STRAIGHT,HEADED
0033068
5120-01-398-7788INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943003000
5120-01-399-9545INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-429-3532INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5120-01-429-3589INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5120-01-641-1064INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-366-8357?

NSN 5120-01-366-8357 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 5120-01-366-8357?

NSN 5120-01-366-8357 has 3 cross-referenced part numbers: B107.1 TY1CL3 (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), X206 (Stanley Industrial & Automotive Llc).

What NSN replaces 5120-01-366-8357?

There are 6 known substitutes for 5120-01-366-8357: 5315-00-011-4783, 5120-01-398-7788, 5120-01-399-9545 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 TY1CL3?

Key specifications for B107.1 TY1CL3: Drive End Shape: SQUARE SINGLE END INTERNAL; Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS. 11 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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