PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.5Socket,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-01-398-7756 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7756 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7756. Primary manufacturer part number: B107.5.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Specification/standard Data: 05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Size: 5.0 MILLIMETERS NOMINAL SINGLE END MM
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-398-7756, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-7756
Primary Part NumberB107.5
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusACTIVE
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Specification/standard Data05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size5.0 MILLIMETERS NOMINAL SINGLE END MM
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-228-523841011 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
1620-00-525-241643505 INTERCHANGEABLE
Tube Assy,vertical
Heligear Acquisition Co. Dba Northstar Aerospace, Inc.
6105-00-553-6211CK3006-4A1 INTERCHANGEABLE
Motor,control
Honeywell Intl Inc Defense Avionics Systems
5905-00-577-750843505 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3455-00-618-6007 INTERCHANGEABLE
Cutter,milling,end
5845-00-757-326243505 INTERCHANGEABLE
Printed Board Assem
L3harris Technologies, Inc. Div Space and Airborne Systems
6150-01-298-367536880-50-LP INTERCHANGEABLE
Cable Assembly,special Purpose,e
Setra Systems, Inc. Dba Gems Sensors
5340-01-353-451943505 INTERCHANGEABLE
Pad,cushioning
Jergens Inc Div Tooling Components Division
7045-01-357-231446156 INTERCHANGEABLE
Tape,electronic Data Processing
Cdw Government Llc
6525-01-385-112843505 INTERCHANGEABLE
Rack,fixer,photographic Film Pro
Air Techniques, Inc.
Cross-Reference Index
Part NumberManufacturer
B107.5 The American Society of Mechanical Engineers (USA)
20-05MM Wright Tool Company, Llc (USA)
B107.5 TY1CL1 General Services Administration Federal Supply Service (USA)
9-43501 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00943501000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
43501 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
43505 Etablissement Central De Gestion Etde Stockage Du Materiel
Related Parts
3455-00-228-5238INTERCHANGEABLE
CUTTER,MILLING,END
41011
1620-00-525-2416INTERCHANGEABLE
TUBE ASSY,VERTICAL
43505
6105-00-553-6211INTERCHANGEABLE
MOTOR,CONTROL
CK3006-4A1
5905-00-577-7508INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
43505
3455-00-618-6007INTERCHANGEABLE
CUTTER,MILLING,END
5845-00-757-3262INTERCHANGEABLE
PRINTED BOARD ASSEM
43505
6150-01-298-3675INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
36880-50-LP
5340-01-353-4519INTERCHANGEABLE
PAD,CUSHIONING
43505
7045-01-357-2314INTERCHANGEABLE
TAPE,ELECTRONIC DATA PROCESSING
46156
6525-01-385-1128INTERCHANGEABLE
RACK,FIXER,PHOTOGRAPHIC FILM PRO
43505
5120-01-398-7759INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00943505000
5930-01-406-3875INTERCHANGEABLE
SWITCH,PUSH
43.505

Frequently Asked Questions

What is NSN 5120-01-398-7756?

NSN 5120-01-398-7756 is a Socket,socket Wrench, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-398-7756?

NSN 5120-01-398-7756 has 7 cross-referenced part numbers: B107.5 (The American Society of Mechanical Engineers), 20-05MM (Wright Tool Company, Llc), B107.5 TY1CL1 (General Services Administration Federal Supply Service), 9-43501 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00943501000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial) and 2 more.

What NSN replaces 5120-01-398-7756?

There are 12 known substitutes for 5120-01-398-7756: 3455-00-228-5238, 1620-00-525-2416, 6105-00-553-6211 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.5?

Key specifications for B107.5: Material: STEEL OVERALL; Overall Length: 26.0 MILLIMETERS MAXIMUM MM; Features Provided: MANUAL TOOL; Specification/standard Data: 05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com