PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8408Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-431-2831 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-2831 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-2831. Primary manufacturer part number: 8408.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL SINGLE END MM
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • 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 5120-01-431-2831, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-431-2831
Primary Part Number8408
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size8.0 MILLIMETERS NOMINAL SINGLE END MM
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-061-82618224A0440-16 INTERCHANGEABLE
Standoff,threaded,spacing
Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware
2915-00-467-6846 INTERCHANGEABLE
Liner Bearing Ass
1620-00-673-34148408 INTERCHANGEABLE
Insert,arm,steer Damper
Circor Aerospace, Inc. Div Circor
5960-00-913-5176 INTERCHANGEABLE
Electron Tube
6145-01-030-85188408 INTERCHANGEABLE
Cable,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5930-01-432-2142 INTERCHANGEABLE
Roller,electrical Switch
5120-01-437-1747J5861 INTERCHANGEABLE
Extension,socket Wrench
The Stanley Works Dba Stanley Proto
5930-01-463-0327 INTERCHANGEABLE
Roller,electrical Switch
6515-01-478-01978408 INTERCHANGEABLE
Catheter,thoracic
Atrium Medical Corporation
3770-01-565-057641870-0430A INTERCHANGEABLE
Clipper Kit,animal
Wahl Clipper Corporation
Cross-Reference Index
Part NumberManufacturer
8408 PRIMARY S K Hand Tool Corp (USA)
Related Parts
5340-00-061-8261INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8224A0440-16
2915-00-467-6846INTERCHANGEABLE
LINER BEARING ASS
1620-00-673-3414INTERCHANGEABLE
INSERT,ARM,STEER DAMPER
8408
5960-00-913-5176INTERCHANGEABLE
ELECTRON TUBE
6145-01-030-8518INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8408
5930-01-432-2142INTERCHANGEABLE
ROLLER,ELECTRICAL SWITCH
5120-01-437-1747INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
J5861
5930-01-463-0327INTERCHANGEABLE
ROLLER,ELECTRICAL SWITCH
6515-01-478-0197INTERCHANGEABLE
CATHETER,THORACIC
8408
3770-01-565-0576INTERCHANGEABLE
CLIPPER KIT,ANIMAL
41870-0430A

Frequently Asked Questions

What is NSN 5120-01-431-2831?

NSN 5120-01-431-2831 is a Socket,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-431-2831?

NSN 5120-01-431-2831 has 1 cross-referenced part number: 8408 (S K Hand Tool Corp).

What NSN replaces 5120-01-431-2831?

There are 10 known substitutes for 5120-01-431-2831: 5340-00-061-8261, 2915-00-467-6846, 1620-00-673-3414 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8408?

Key specifications for 8408: Overall Length: 1.750 INCHES NOMINAL IN; Material: STEEL OVERALL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Wrenching Surface Size: 8.0 MILLIMETERS NOMINAL SINGLE END MM. 10 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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