PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.1Socket,socket Wrench

The American Society of Mechanical Engineers · NSN 5120-01-398-7730 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7730 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7730. Primary manufacturer part number: B107.1.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • 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 5120-01-398-7730, 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 13 commercial cross-references from 8 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
NSN5120-01-398-7730
Primary Part NumberB107.1
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1315-00-028-4411 INTERCHANGEABLE
Cartridge,90 Millimeter
5930-00-201-5049 INTERCHANGEABLE
Switch,thermostatic
5945-00-321-0856A8-2 INTERCHANGEABLE
Relay Assembly
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
5340-00-474-475643601 INTERCHANGEABLE
Seat,ball Socket
Eaton Aerospace, Llc Dba Jackson South
3455-00-516-315117613 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
2920-00-900-2875 INTERCHANGEABLE
Spark Plug
3030-01-061-7802 INTERCHANGEABLE
Belt,v
3230-01-131-971643601 INTERCHANGEABLE
Bit,router
Porter Cable/delta
3120-01-219-5337943601 INTERCHANGEABLE
Bearing,sleeve
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
4310-01-225-4329 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cross-Reference Index
Part NumberManufacturer
B107.1 The American Society of Mechanical Engineers (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
9-43601 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
M82R Stanley Industrial & Automotive Llc (USA)
00943601000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
01-335-0945 Replacement NSN of Temporarily Maintained NSN
43601 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS954 Society of Automotive Engineers Inc (USA)
A82A Matco Tools Corp Div Matco Tools (USA)
M82 Stanley Industrial & Automotive Llc (USA)
A82 Matco Tools Corp Div Matco Tools (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
1315-00-028-4411INTERCHANGEABLE
CARTRIDGE,90 MILLIMETER
5930-00-201-5049INTERCHANGEABLE
SWITCH,THERMOSTATIC
5945-00-321-0856INTERCHANGEABLE
RELAY ASSEMBLY
A8-2
5340-00-474-4756INTERCHANGEABLE
SEAT,BALL SOCKET
43601
3455-00-516-3151INTERCHANGEABLE
CUTTER,MILLING,END
17613
2920-00-900-2875INTERCHANGEABLE
SPARK PLUG
3030-01-061-7802INTERCHANGEABLE
BELT,V
3230-01-131-9716INTERCHANGEABLE
BIT,ROUTER
43601
3120-01-219-5337INTERCHANGEABLE
BEARING,SLEEVE
943601
4310-01-225-4329INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
6220-01-254-9638INTERCHANGEABLE
HOUSING,LIGHT
5996-01-292-1645INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
WJ-A82

Frequently Asked Questions

What is NSN 5120-01-398-7730?

NSN 5120-01-398-7730 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 5120-01-398-7730?

NSN 5120-01-398-7730 has 13 cross-referenced part numbers: B107.1 (The American Society of Mechanical Engineers), AS954 TY1CL1STA (General Services Administration Federal Supply Service), 9-43601 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.1 TY1CL1 (General Services Administration Federal Supply Service), M82R (Stanley Industrial & Automotive Llc) and 8 more.

What NSN replaces 5120-01-398-7730?

There are 12 known substitutes for 5120-01-398-7730: 1315-00-028-4411, 5930-00-201-5049, 5945-00-321-0856 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.1?

Key specifications for B107.1: Style Designator: INTERNAL-INTERNAL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Size: 0.250 INCHES NOMINAL SINGLE END IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-398-7730 still in active supply?

NSN 5120-01-398-7730 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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