PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1 CL1STBSocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-057-0075 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-057-0075 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-057-0075. Primary manufacturer part number: B107.1 CL1STB.
Features
  • Socket,socket Wrench — FSC 5120
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-057-0075, 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 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-057-0075
Primary Part NumberB107.1 CL1STB
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-160-8283A24 INTERCHANGEABLE
Belt,v
Gates Corporation
4330-00-227-2965113-32 INTERCHANGEABLE
Parts Kit,fluid Pressure Filter
Hamilton Sundstrand Corporation
5950-00-686-6249 INTERCHANGEABLE
Coil,radio Frequency
5950-00-706-9432 INTERCHANGEABLE
Transformer,radio Frequency
4920-01-048-8611 INTERCHANGEABLE
Cap
5962-01-067-1158SCD 11332 INTERCHANGEABLE
Microcircuit,digital
L3 Technologies, Inc. Div Communication Systems-West
5955-01-256-4172113-32 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
5120-01-564-672811332 INTERCHANGEABLE
Key Set,socket Head Screw
Bondhus Corp
5331-01-586-810511332 INTERCHANGEABLE
O-Ring
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
11-332 Apex Tool Group, Llc Dba Nicholson (USA)
11-332 Armstrong Bros Tool Co (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
11-332 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B107.1 The American Society of Mechanical Engineers (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
Related Parts
3030-00-160-8283INTERCHANGEABLE
BELT,V
A24
4330-00-227-2965INTERCHANGEABLE
PARTS KIT,FLUID PRESSURE FILTER
113-32
5950-00-686-6249INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-00-706-9432INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4920-01-048-8611INTERCHANGEABLE
CAP
5962-01-067-1158INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SCD 11332
5955-01-256-4172INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
113-32
5120-01-564-6728INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
11332
5331-01-586-8105INTERCHANGEABLE
O-RING
11332

Frequently Asked Questions

What is NSN 5120-01-057-0075?

NSN 5120-01-057-0075 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-057-0075?

NSN 5120-01-057-0075 has 9 cross-referenced part numbers: B107.1 CL1STB (General Services Administration Federal Supply Service), 11-332 (Apex Tool Group, Llc Dba Nicholson), 11-332 (Armstrong Bros Tool Co), B107.1 TY1CL2 (General Services Administration Federal Supply Service), 11-332 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 4 more.

What NSN replaces 5120-01-057-0075?

There are 9 known substitutes for 5120-01-057-0075: 3030-00-160-8283, 4330-00-227-2965, 5950-00-686-6249 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1 CL1STB?

Key specifications for B107.1 CL1STB: Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Overall Length: 2.250 INCHES MINIMUM IN; Material: STEEL OVERALL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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