PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40144Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-629-0811 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-629-0811 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-629-0811. Primary manufacturer part number: 40144.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Outside Diameter: 1.940 INCHES NOMINAL IN
  • Drive End Outside Diameter: 1.940 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Size: 1.375 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-629-0811, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-629-0811
Primary Part Number40144
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusACTIVE
Wrenching End Outside Diameter1.940 INCHES NOMINAL IN
Drive End Outside Diameter1.940 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size1.375 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Style DesignatorINTERNAL-INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-042-8789 INTERCHANGEABLE
Lever,detent
5930-00-144-449610-60819-8 INTERCHANGEABLE
Switch Assembly
The Boeing Company Div Defense
3455-00-194-052310230 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5310-00-297-7372083087-1 INTERCHANGEABLE
Washer,flat
Mission Systems Davenport Inc.
3230-01-022-079526100-13247 INTERCHANGEABLE
Blade,circular Saw,woodcutting
S-B Power Tool Co
2640-01-519-1201 INTERCHANGEABLE
Valve,pneumatic Tire
8465-01-565-402640144 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
Cross-Reference Index
Part NumberManufacturer
40144 PRIMARY S K Hand Tool Corp (USA)
Related Parts
5815-00-042-8789INTERCHANGEABLE
LEVER,DETENT
5930-00-144-4496INTERCHANGEABLE
SWITCH ASSEMBLY
10-60819-8
3455-00-194-0523INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10230
5310-00-297-7372INTERCHANGEABLE
WASHER,FLAT
083087-1
3230-01-022-0795INTERCHANGEABLE
BLADE,CIRCULAR SAW,WOODCUTTING
26100-13247
2640-01-519-1201INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
8465-01-565-4026INTERCHANGEABLE
HYDRATION SYSTEM
40144

Frequently Asked Questions

What is NSN 5120-01-629-0811?

NSN 5120-01-629-0811 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 5120-01-629-0811?

NSN 5120-01-629-0811 has 1 cross-referenced part number: 40144 (S K Hand Tool Corp).

What NSN replaces 5120-01-629-0811?

There are 7 known substitutes for 5120-01-629-0811: 5815-00-042-8789, 5930-00-144-4496, 3455-00-194-0523 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40144?

Key specifications for 40144: Overall Length: 2.125 INCHES NOMINAL IN; Wrenching End Outside Diameter: 1.940 INCHES NOMINAL IN; Drive End Outside Diameter: 1.940 INCHES NOMINAL IN; Material: STEEL 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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