PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48021Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-430-3084 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-3084 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-3084. Primary manufacturer part number: 48021.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 21.0 MILLIMETERS NOMINAL SINGLE END MM
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-430-3084, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-430-3084
Primary Part Number48021
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size21.0 MILLIMETERS NOMINAL SINGLE END MM
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2530-00-709-8582227225 INTERCHANGEABLE
Chamber,air Brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5999-00-847-7926L511008026 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Lockheed Martin Librascope Corporation
9905-01-192-493048021 INTERCHANGEABLE
Plate,instruction
Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
5935-01-203-39284802-1 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
2530-01-431-908248021 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Saginaw Products Corporation Dba Cignys
5305-01-585-293948021 INTERCHANGEABLE
Screw,machine
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
48021 PRIMARY S K Hand Tool Corp (USA)
Related Parts
2530-00-709-8582INTERCHANGEABLE
CHAMBER,AIR BRAKE
227225
5999-00-847-7926INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
L511008026
9905-01-192-4930INTERCHANGEABLE
PLATE,INSTRUCTION
48021
5935-01-203-3928INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4802-1
2530-01-431-9082INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
48021
5305-01-585-2939INTERCHANGEABLE
SCREW,MACHINE
48021

Frequently Asked Questions

What is NSN 5120-01-430-3084?

NSN 5120-01-430-3084 is a Socket,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-430-3084?

NSN 5120-01-430-3084 has 1 cross-referenced part number: 48021 (S K Hand Tool Corp).

What NSN replaces 5120-01-430-3084?

There are 6 known substitutes for 5120-01-430-3084: 2530-00-709-8582, 5999-00-847-7926, 9905-01-192-4930 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 48021?

Key specifications for 48021: Surface Treatment: CHROMIUM OVERALL; Style Designator: INTERNAL-INTERNAL; Features Provided: MANUAL TOOL; Material: STEEL OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-430-3084 still in active supply?

NSN 5120-01-430-3084 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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