PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-237-4973 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-237-4973 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-237-4973. Primary manufacturer part number: B107.1 CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-237-4973, 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 15 commercial cross-references from 11 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
NSN5120-00-237-4973
Primary Part NumberB107.1 CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Special Markings5/8 IN. IN
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-114-9619A2829 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
6240-00-155-8001 INTERCHANGEABLE
Lamp,incandescent
5950-00-166-94772868563-1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-223-2406FL11N20 INTERCHANGEABLE
Fuse Link,electrical
Cooper Bussmann, Llc Dba Cooper Industries
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
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
45120 S K Hand Tool Corp (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
B107.1 The American Society of Mechanical Engineers (USA)
X202 Stanley Industrial & Automotive Llc (USA)
X202R Stanley Industrial & Automotive Llc (USA)
A-A-1404 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
35W229 Lenard Packaging Co Inc the (USA)
11-020 Satair A/s (DNK)
X200-10 Johnson Controls, Inc Div Building Efficiency (USA)
Related Parts
3110-00-114-9619INTERCHANGEABLE
BEARING,BALL,ANNULAR
A2829
6240-00-155-8001INTERCHANGEABLE
LAMP,INCANDESCENT
5950-00-166-9477INTERCHANGEABLE
TRANSFORMER,POWER
2868563-1
5920-00-223-2406INTERCHANGEABLE
FUSE LINK,ELECTRICAL
FL11N20
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
3455-00-232-9037INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10127
5120-00-234-8739INTERCHANGEABLE
BENDER,TUBE,HAND
100-1/4

Frequently Asked Questions

What is NSN 5120-00-237-4973?

NSN 5120-00-237-4973 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 5120-00-237-4973?

NSN 5120-00-237-4973 has 15 cross-referenced part numbers: B107.1 CL1STA (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), B107.1 TY1CL1 (General Services Administration Federal Supply Service), 45120 (S K Hand Tool Corp), GGG-W-641 TY2CL2STA (General Services Administration Federal Supply Service) and 10 more.

What NSN replaces 5120-00-237-4973?

There are 12 known substitutes for 5120-00-237-4973: 3110-00-114-9619, 6240-00-155-8001, 5950-00-166-9477 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STA?

Key specifications for B107.1 CL1STA: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-237-4973 still in active supply?

NSN 5120-00-237-4973 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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