PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS402Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-428-8202 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-8202 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-8202. Primary manufacturer part number: LS402.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-428-8202, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-428-8202
Primary Part NumberLS402
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Wrenching Surface Size1.250 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-186-4945 INTERCHANGEABLE
Gasket
5120-00-361-2312 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
LS402 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5330-00-186-4945INTERCHANGEABLE
GASKET
5120-00-361-2312INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-428-8202?

NSN 5120-01-428-8202 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-428-8202?

NSN 5120-01-428-8202 has 1 cross-referenced part number: LS402 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-428-8202?

There are 2 known substitutes for 5120-01-428-8202: 5330-00-186-4945, 5120-00-361-2312. Verify interchangeability with system specifications before substitution.

What are the specifications of LS402?

Key specifications for LS402: Overall Length: 3.500 INCHES NOMINAL IN; Drive Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL; Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN. 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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