PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.5M CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-00-263-4144 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-263-4144 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-263-4144. Primary manufacturer part number: B107.5M CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-263-4144, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-263-4144
Primary Part NumberB107.5M CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size28.0 MILLIMETERS NOMINAL SINGLE END MM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2910-00-106-206640328 INTERCHANGEABLE
Pump,fuel
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5961-00-254-3257 INTERCHANGEABLE
Transistor
3455-00-293-051545572 INTERCHANGEABLE
Cutter,milling,metal Slitting
Kennametal Inc. Div Kennametal Industrial Products Group
6680-00-489-6197 INTERCHANGEABLE
Transmitter,liquid Quantity
5950-00-876-4444X33994 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc. Div Space and Airborne Systems
5133-01-095-6734 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
B107.5M CL1STA General Services Administration Federal Supply Service (USA)
AS955 TY1CL1STA General Services Administration Federal Supply Service (USA)
B107.5M TY1CL1 General Services Administration Federal Supply Service (USA)
0423 8014 Blackwood J. Blackwood & Son Pty Ltd (AUS)
AS955 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
B107.5M The American Society of Mechanical Engineers (USA)
SCMT14245 Stanley Black & Decker Australia Pty Ltd (AUS)
40328 S K Hand Tool Corp (USA)
AS955 Sae International Dba Sae International (USA)
Related Parts
2910-00-106-2066INTERCHANGEABLE
PUMP,FUEL
40328
5961-00-254-3257INTERCHANGEABLE
TRANSISTOR
3455-00-293-0515INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
45572
6680-00-489-6197INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
5950-00-876-4444INTERCHANGEABLE
COIL,RADIO FREQUENCY
X33994
5133-01-095-6734INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5120-00-263-4144?

NSN 5120-00-263-4144 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 5120-00-263-4144?

NSN 5120-00-263-4144 has 11 cross-referenced part numbers: B107.5M CL1STA (General Services Administration Federal Supply Service), AS955 TY1CL1STA (General Services Administration Federal Supply Service), B107.5M TY1CL1 (General Services Administration Federal Supply Service), 0423 8014 (Blackwood J. Blackwood & Son Pty Ltd), AS955 (Society of Automotive Engineers Inc) and 6 more.

What NSN replaces 5120-00-263-4144?

There are 6 known substitutes for 5120-00-263-4144: 2910-00-106-2066, 5961-00-254-3257, 3455-00-293-0515 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.5M CL1STA?

Key specifications for B107.5M CL1STA: Material: STEEL OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-263-4144 still in active supply?

NSN 5120-00-263-4144 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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