PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-241-3185 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-241-3185 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-241-3185. Primary manufacturer part number: B107.1 CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 0.880 INCHES MAXIMUM IN
  • Special Markings: 1/2 IN. IN
  • Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-241-3185, 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 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-241-3185
Primary Part NumberB107.1 CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Drive End Outside Diameter0.880 INCHES MAXIMUM IN
Special Markings1/2 IN. IN
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Surface TreatmentCHROMIUM OVERALL
Wrenching End Opening Depth0.266 INCHES MINIMUM IN
Wrenching End Outside Diameter0.751 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-235-5809 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5879 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0017 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0018 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
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
5120PL1074100 Jednolity Indeks Materialowy - Uniform Material Index (POL)
3494198 Oshkosh Defense Llc (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
A-A-1403 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
XD162R Stanley Industrial & Automotive Llc (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
XD162 Stanley Industrial & Automotive Llc (USA)
3494198 Oshkosh Corp (USA)
BD1216 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
Related Parts
5120-00-235-5809INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5879INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0017INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0018INTERCHANGEABLE
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

Frequently Asked Questions

What is NSN 5120-00-241-3185?

NSN 5120-00-241-3185 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 5120-00-241-3185?

NSN 5120-00-241-3185 has 14 cross-referenced part numbers: B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 (The American Society of Mechanical Engineers), 5120PL1074100 (Jednolity Indeks Materialowy - Uniform Material Index), 3494198 (Oshkosh Defense Llc), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC) and 9 more.

What NSN replaces 5120-00-241-3185?

There are 8 known substitutes for 5120-00-241-3185: 5120-00-235-5809, 5120-00-235-5879, 5120-00-239-0017 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STB?

Key specifications for B107.1 CL1STB: Drive End Outside Diameter: 0.880 INCHES MAXIMUM IN; Overall Length: 1.750 INCHES MINIMUM IN; Special Markings: 1/2 IN. IN; Wrenching Surface Size: 0.500 INCHES NOMINAL SINGLE END IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-241-3185 still in active supply?

NSN 5120-00-241-3185 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.
PartsTable Design LLC · partstable.com