PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40142Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-431-3918 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-3918 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-3918. Primary manufacturer part number: 40142.
Features
  • Socket,socket Wrench — FSC 5120
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Size: 1.312 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-431-3918, 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
NSN5120-01-431-3918
Primary Part Number40142
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
Features ProvidedMANUAL TOOL
Wrenching Surface Size1.312 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2940-00-529-2739P70FF INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
5930-00-607-187440112 INTERCHANGEABLE
Switch Assembly
Hydra-Electric Company Dba Hydra-Electric Co
5845-00-886-6302 INTERCHANGEABLE
Keyplate
4820-01-148-9422 INTERCHANGEABLE
Valve,regulating,temperature
4820-01-232-582850006-09 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-232-8216 INTERCHANGEABLE
Stem,fluid Valve
4820-01-251-6210 INTERCHANGEABLE
Valve,regulating,temperature
6550-01-318-0459R40142 INTERCHANGEABLE
Control Slide,gram Stain
Remel Inc.
7490-01-501-85444014/2 INTERCHANGEABLE
Shredding Machine,paper
Whitaker Brothers Business Machines, Inc.
8465-01-565-402340142 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
40142 PRIMARY S K Hand Tool Corp (USA)
Related Parts
2940-00-529-2739INTERCHANGEABLE
FILTER ELEMENT,FLUID
P70FF
5930-00-607-1874INTERCHANGEABLE
SWITCH ASSEMBLY
40112
5845-00-886-6302INTERCHANGEABLE
KEYPLATE
4820-01-148-9422INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
4820-01-232-5828INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50006-09
4820-01-232-8216INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-251-6210INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
6550-01-318-0459INTERCHANGEABLE
CONTROL SLIDE,GRAM STAIN
R40142
7490-01-501-8544INTERCHANGEABLE
SHREDDING MACHINE,PAPER
4014/2
8465-01-565-4023INTERCHANGEABLE
HYDRATION SYSTEM
40142

Frequently Asked Questions

What is NSN 5120-01-431-3918?

NSN 5120-01-431-3918 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 5120-01-431-3918?

NSN 5120-01-431-3918 has 1 cross-referenced part number: 40142 (S K Hand Tool Corp).

What NSN replaces 5120-01-431-3918?

There are 10 known substitutes for 5120-01-431-3918: 2940-00-529-2739, 5930-00-607-1874, 5845-00-886-6302 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40142?

Key specifications for 40142: Features Provided: MANUAL TOOL; Wrenching Surface Size: 1.312 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN. 9 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