PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1Socket,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-00-242-3330 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-242-3330 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-242-3330. Primary manufacturer part number: B107.1.
Features
  • Socket,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN
  • Special Markings: 7/8 IN. IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-242-3330, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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
NSN5120-00-242-3330
Primary Part NumberB107.1
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.875 INCHES NOMINAL SINGLE END IN
Special Markings7/8 IN. IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-227-6702 INTERCHANGEABLE
Socket,socket Wrench
5120-00-227-6703 INTERCHANGEABLE
Socket,socket Wrench
5120-00-227-6704 INTERCHANGEABLE
Socket,socket Wrench
5120-00-227-6705 INTERCHANGEABLE
Socket,socket Wrench
5120-00-232-5706 INTERCHANGEABLE
Socket,socket Wrench
5120-00-232-5711F101 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-235-5807 INTERCHANGEABLE
Socket,socket Wrench
5120-00-237-0977 INTERCHANGEABLE
Socket,socket Wrench
5120-00-237-4973 INTERCHANGEABLE
Socket,socket Wrench
5315-00-241-00983128 INTERCHANGEABLE
Pin,straight,headed
Kearflex Engineering Company
Cross-Reference Index
Part NumberManufacturer
B107.1 The American Society of Mechanical Engineers (USA)
AS954 Society of Automotive Engineers Inc (USA)
X282 Stanley Industrial & Automotive Llc (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
X282R Stanley Industrial & Automotive Llc (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
A-A-1404 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
3128 Wright Tool Co (USA)
B-1228 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
Related Parts
5120-00-227-6702INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-227-6703INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-227-6704INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-227-6705INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-232-5706INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-232-5711INTERCHANGEABLE
SOCKET,SOCKET WRENCH
F101
5120-00-235-5807INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-237-0977INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-237-4973INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5315-00-241-0098INTERCHANGEABLE
PIN,STRAIGHT,HEADED
3128
5120-00-277-4251INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-288-8155INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-242-3330?

NSN 5120-00-242-3330 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 5120-00-242-3330?

NSN 5120-00-242-3330 has 12 cross-referenced part numbers: B107.1 (The American Society of Mechanical Engineers), AS954 (Society of Automotive Engineers Inc), X282 (Stanley Industrial & Automotive Llc), B107.1 TY1CL1 (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International) and 7 more.

What NSN replaces 5120-00-242-3330?

There are 12 known substitutes for 5120-00-242-3330: 5120-00-227-6702, 5120-00-227-6703, 5120-00-227-6704 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: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Wrenching Surface Size: 0.875 INCHES NOMINAL SINGLE END IN; Special Markings: 7/8 IN. IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-242-3330 still in active supply?

NSN 5120-00-242-3330 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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