PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-242-3351 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-242-3351 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-242-3351. Primary manufacturer part number: B107.1 CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Special Markings: 11/32 IN. IN
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-242-3351, 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 12 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-242-3351
Primary Part NumberB107.1 CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Drive End ShapeSQUARE SINGLE END INTERNAL
Special Markings11/32 IN. IN
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Wrenching Surface Size0.344 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3010-00-135-5409AA1407 INTERCHANGEABLE
Clutch Assembly,friction
Simmonds Precision Products Inc
5120-00-189-8609 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-8610 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5828 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5869 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5878 INTERCHANGEABLE
Socket,socket Wrench
5940-00-239-9034 INTERCHANGEABLE
Splice,conductor
5120-00-242-3352 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-1982TMD7 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-8823 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
11T Thorsen Tool Co Sub of Wallace-Murray Corp (USA)
D3121-4711T Ryeson Corporation Div Sturtevant Richmont (USA)
AS954 Society of Automotive Engineers Inc (USA)
1650835 International Business Machines Corporation Dba IBM (USA)
B107.1 The American Society of Mechanical Engineers (USA)
25-CPP-11/32 Heyco-Werk Heynen Gmbh & Co. Kg (DEU)
31800067 Toll Remote Logistics Pty Ltd Div Toll Remote Logistics (AUS)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
A-A-1407 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 Sae International Dba Sae International (USA)
00025631883 Heyco-Werk Heynen Gmbh & Co. Kg (DEU)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
3010-00-135-5409INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
AA1407
5120-00-189-8609INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-8610INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5828INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5869INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5878INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5940-00-239-9034INTERCHANGEABLE
SPLICE,CONDUCTOR
5120-00-242-3352INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-1982INTERCHANGEABLE
SOCKET,SOCKET WRENCH
TMD7
5120-00-277-8823INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-242-3351?

NSN 5120-00-242-3351 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 5120-00-242-3351?

NSN 5120-00-242-3351 has 14 cross-referenced part numbers: B107.1 CL1STA (General Services Administration Federal Supply Service), 11T (Thorsen Tool Co Sub of Wallace-Murray Corp), D3121-4711T (Ryeson Corporation Div Sturtevant Richmont), AS954 (Society of Automotive Engineers Inc), 1650835 (International Business Machines Corporation Dba IBM) and 9 more.

What NSN replaces 5120-00-242-3351?

There are 10 known substitutes for 5120-00-242-3351: 3010-00-135-5409, 5120-00-189-8609, 5120-00-189-8610 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STA?

Key specifications for B107.1 CL1STA: Drive End Shape: SQUARE SINGLE END INTERNAL; Special Markings: 11/32 IN. IN; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-242-3351 still in active supply?

NSN 5120-00-242-3351 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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