PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1Socket,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-00-235-5879 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-235-5879 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-235-5879. Primary manufacturer part number: B107.1.
Features
  • Socket,socket Wrench — FSC 5120
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Special Markings: 3/4 IN. IN
  • Wrenching Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-235-5879, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 9 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
NSN5120-00-235-5879
Primary Part NumberB107.1
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Special Markings3/4 IN. IN
Wrenching Surface Size0.750 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-235-5809 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0017 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0018 INTERCHANGEABLE
Socket,socket Wrench
5120-00-241-3185 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-1463FDS121 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1464 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-4252 INTERCHANGEABLE
Socket,socket Wrench
5120-00-596-0836 INTERCHANGEABLE
Socket,socket Wrench
5999-00-948-7736 INTERCHANGEABLE
Heater,thermal Release
5962-01-089-781642424 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
B107.1 The American Society of Mechanical Engineers (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
42424 S K Hand Tool Corp (USA)
AS954 Society of Automotive Engineers Inc (USA)
BD-1224 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
GGG-W-1437 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1403 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
10086315 Nimikkeistokeskus Ncb Finland (FIN)
GGG-W-641 TY2CL2STB General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-235-5809INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0017INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0018INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-241-3185INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-1463INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FDS121
5120-00-277-1464INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-4252INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-596-0836INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5999-00-948-7736INTERCHANGEABLE
HEATER,THERMAL RELEASE
5962-01-089-7816INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42424
6515-01-217-4382INTERCHANGEABLE
SUPPORT,ARCH
MENS 11-12
4210-01-273-0336INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
42424

Frequently Asked Questions

What is NSN 5120-00-235-5879?

NSN 5120-00-235-5879 is a Socket,socket Wrench, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-235-5879?

NSN 5120-00-235-5879 has 13 cross-referenced part numbers: B107.1 (The American Society of Mechanical Engineers), B107.1 CL1STB (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), 42424 (S K Hand Tool Corp), AS954 (Society of Automotive Engineers Inc) and 8 more.

What NSN replaces 5120-00-235-5879?

There are 12 known substitutes for 5120-00-235-5879: 5120-00-235-5809, 5120-00-239-0017, 5120-00-239-0018 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1?

Key specifications for B107.1: Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: MANUAL TOOL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Markings: 3/4 IN. IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-235-5879 still in active supply?

NSN 5120-00-235-5879 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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