PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00943003000Socket,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-398-7788 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7788 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7788. Primary manufacturer part number: 00943003000.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Wrenching 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 5120-01-398-7788, 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 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-398-7788
Primary Part Number00943003000
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusCANCELLED
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 3 CLASS
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Wrenching Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5962-00-300-237843-003 INTERCHANGEABLE
Microcircuit,digital
Hydro-Aire Aerospace Corp
5961-00-852-396243003 INTERCHANGEABLE
Semiconductor Device,diode
Telephonics Corp/prd Instruments
6680-01-011-0277 INTERCHANGEABLE
Valve,lower
4810-01-313-6757943003 INTERCHANGEABLE
Valve,linear,directional Control
Survival Systems International, Inc
5120-01-366-8357 INTERCHANGEABLE
Socket,socket Wrench
5330-01-375-311943003 INTERCHANGEABLE
Gasket
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5120-01-399-9545 INTERCHANGEABLE
Socket,socket Wrench
5120-01-429-3532 INTERCHANGEABLE
Socket Set,socket Wrench
5120-01-429-3589 INTERCHANGEABLE
Socket Set,socket Wrench
5950-01-463-433143003 INTERCHANGEABLE
Transformer,power
Vanguard Electronics, Llc
Cross-Reference Index
Part NumberManufacturer
B107.1 TY1CL3 General Services Administration Federal Supply Service (USA)
00943003000 PRIMARY Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
43003 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.1 The American Society of Mechanical Engineers (USA)
9-43003 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
5962-00-300-2378INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
43-003
5961-00-852-3962INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
43003
6680-01-011-0277INTERCHANGEABLE
VALVE,LOWER
4810-01-313-6757INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
943003
5120-01-366-8357INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5330-01-375-3119INTERCHANGEABLE
GASKET
43003
5120-01-399-9545INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-429-3532INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5120-01-429-3589INTERCHANGEABLE
SOCKET SET,SOCKET WRENCH
5950-01-463-4331INTERCHANGEABLE
TRANSFORMER,POWER
43003
5330-01-551-6415INTERCHANGEABLE
SEAL,PLAIN ENCASED
43003
5120-01-641-1064INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-398-7788?

NSN 5120-01-398-7788 is a Socket,socket Wrench, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-398-7788?

NSN 5120-01-398-7788 has 5 cross-referenced part numbers: B107.1 TY1CL3 (General Services Administration Federal Supply Service), 00943003000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 43003 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.1 (The American Society of Mechanical Engineers), 9-43003 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial).

What NSN replaces 5120-01-398-7788?

There are 12 known substitutes for 5120-01-398-7788: 5962-00-300-2378, 5961-00-852-3962, 6680-01-011-0277 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00943003000?

Key specifications for 00943003000: Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Specification/standard Data: 05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-398-7788 still in active supply?

NSN 5120-01-398-7788 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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