PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M406Socket,socket Wrench

Trw Inc Hand Tools Div Trw Industrial Products Group · NSN 5120-00-235-5818 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-235-5818 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-235-5818. Primary manufacturer part number: M406.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 2 CLASS
  • Style Designator: INTERNAL-INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-235-5818, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Trw Inc Hand Tools Div Trw Industrial Products Group. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5120-00-235-5818
Primary Part NumberM406
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerTrw Inc Hand Tools Div Trw Industrial Products Group
StatusACTIVE
Wrenching Surface ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data2 CLASS
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size0.188 INCHES NOMINAL SINGLE END IN
Specification/standard Data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-072-8518050-037 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Tektronix, Inc.
5120-00-189-7906 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7907 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7908J4712S INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
5120-00-199-7774 INTERCHANGEABLE
Socket,socket Wrench
5120-00-235-5844 INTERCHANGEABLE
Socket,socket Wrench
4320-00-434-64893658HBFRVLY100PS INTERCHANGEABLE
Pump,rotary
Roper Industries Inc Roper Pump Co Div
5120-00-472-2606 INTERCHANGEABLE
Socket,socket Wrench
3010-00-560-7910AA1405 INTERCHANGEABLE
Clutch Assembly,friction
Simmonds Precision Products Inc
5120-00-711-8554 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
M406 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
050037 Trw Inc Hand Tools Div Trw Industrial Products Group (USA)
B107.1 CL2 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1405 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 The American Society of Mechanical Engineers (USA)
Related Parts
5905-00-072-8518INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
050-037
5120-00-189-7906INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7907INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7908INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J4712S
5120-00-199-7774INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-235-5844INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4320-00-434-6489INTERCHANGEABLE
PUMP,ROTARY
3658HBFRVLY100PS
5120-00-472-2606INTERCHANGEABLE
SOCKET,SOCKET WRENCH
3010-00-560-7910INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
AA1405
5120-00-711-8554INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-01-023-6498INTERCHANGEABLE
SOCKET,SOCKET WRENCH
TM410
6105-01-137-4451INTERCHANGEABLE
ROTOR,MOTOR
050037

Frequently Asked Questions

What is NSN 5120-00-235-5818?

NSN 5120-00-235-5818 is a Socket,socket Wrench, manufactured by Trw Inc Hand Tools Div Trw Industrial Products Group, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-235-5818?

NSN 5120-00-235-5818 has 6 cross-referenced part numbers: M406 (Trw Inc Hand Tools Div Trw Industrial Products Group), 050037 (Trw Inc Hand Tools Div Trw Industrial Products Group), B107.1 CL2 (General Services Administration Federal Supply Service), GGG-W-641 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-1405 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.

What NSN replaces 5120-00-235-5818?

There are 12 known substitutes for 5120-00-235-5818: 5905-00-072-8518, 5120-00-189-7906, 5120-00-189-7907 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M406?

Key specifications for M406: Wrenching Surface Shape: SQUARE SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL; Features Provided: MANUAL TOOL; Nondefinitive Spec/std Data: 2 CLASS. 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