PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40146Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-431-3933 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-3933 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-3933. Primary manufacturer part number: 40146.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Features Provided: MANUAL TOOL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Drive 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 5120-01-431-3933, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5120-01-431-3933
Primary Part Number40146
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
MaterialSTEEL OVERALL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size1.438 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-042-8790 INTERCHANGEABLE
Teletypewriter Subassembly
5985-00-099-395040146 INTERCHANGEABLE
Waveguide Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
5330-00-678-1113 INTERCHANGEABLE
Seal,plain Encased
4130-00-714-0794 INTERCHANGEABLE
Manifold,charging and Testing,re
5950-01-005-15322534808 INTERCHANGEABLE
Transformer,pulse
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-164-706840146-105 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-190-6042417-01 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6550-01-449-7157R40146 INTERCHANGEABLE
Control Slide,acid Fast
Remel Inc.
4820-01-516-086740146-203 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-516-086840146-204 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40146 S K Hand Tool Corp (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5815-00-042-8790INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5985-00-099-3950INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
40146
5330-00-678-1113INTERCHANGEABLE
SEAL,PLAIN ENCASED
4130-00-714-0794INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE
5950-01-005-1532INTERCHANGEABLE
TRANSFORMER,PULSE
2534808
4820-01-164-7068INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-105
4820-01-190-6042INTERCHANGEABLE
STEM,FLUID VALVE
417-01
6550-01-449-7157INTERCHANGEABLE
CONTROL SLIDE,ACID FAST
R40146
4820-01-516-0867INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-203
4820-01-516-0868INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-204
4820-01-516-0871INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-205
4820-01-516-0872INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40146-206

Frequently Asked Questions

What is NSN 5120-01-431-3933?

NSN 5120-01-431-3933 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 5120-01-431-3933?

NSN 5120-01-431-3933 has 4 cross-referenced part numbers: 40146 (S K Hand Tool Corp), AS954 TY1CL1STA (General Services Administration Federal Supply Service), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International).

What NSN replaces 5120-01-431-3933?

There are 12 known substitutes for 5120-01-431-3933: 5815-00-042-8790, 5985-00-099-3950, 5330-00-678-1113 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40146?

Key specifications for 40146: Material: STEEL OVERALL; Style Designator: INTERNAL-INTERNAL; Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN; Surface Treatment: CHROMIUM OVERALL. 11 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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