PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-43187Handle,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-7689 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7689 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7689. Primary manufacturer part number: 9-43187.
Features
  • Handle,socket Wrench — FSC 5120
  • Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
  • Drive End Shape: SQUARE SINGLE END EXTERNAL
  • Material: STEEL OVERALL
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: RATCHET
Applications
  • Applications requiring Steel Overall construction
General Description

The Handle,socket Wrench, cataloged under National Stock Number 5120-01-398-7689, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-7689
Primary Part Number9-43187
Item NameHandle,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusACTIVE
Specification/standard Data05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Drive End ShapeSQUARE SINGLE END EXTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Style DesignatorRATCHET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5895-00-320-897043187 INTERCHANGEABLE
Duct Assembly,cold
L3harris Technologies, Inc Div Space & Airborne Systems
2815-00-607-298143187 INTERCHANGEABLE
Valve,poppet,engine
Cummins Inc.
5950-00-649-83499166331 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5950-01-169-0025 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
9-43187 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00943187000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.10 The American Society of Mechanical Engineers (USA)
43187 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.10 TY1CL2 General Services Administration Federal Supply Service (USA)
Related Parts
5895-00-320-8970INTERCHANGEABLE
DUCT ASSEMBLY,COLD
43187
2815-00-607-2981INTERCHANGEABLE
VALVE,POPPET,ENGINE
43187
5950-00-649-8349INTERCHANGEABLE
TRANSFORMER,POWER
9166331
5950-01-169-0025INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5120-01-398-7689?

NSN 5120-01-398-7689 is a Handle,socket Wrench, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-398-7689?

NSN 5120-01-398-7689 has 5 cross-referenced part numbers: 9-43187 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00943187000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.10 (The American Society of Mechanical Engineers), 43187 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.10 TY1CL2 (General Services Administration Federal Supply Service).

What NSN replaces 5120-01-398-7689?

There are 4 known substitutes for 5120-01-398-7689: 5895-00-320-8970, 2815-00-607-2981, 5950-00-649-8349 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-43187?

Key specifications for 9-43187: Special Features: ROUND HEAD; QUICK RELEASE; 45 TOOTH; FLAT STEEL HANDLE; Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS. 9 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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