PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

47-121Socket,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5130-01-645-0019 · FSC 5130 · No Item Name Available
Verified by PartsTable
NSN 5130-01-645-0019 — this item is cataloged by the U.S. Government under National Stock Number 5130-01-645-0019. Primary manufacturer part number: 47-121.
Features
  • Socket,socket Wrench — FSC 5130
  • Style Designator: UNIVERSAL JOINT
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Surface Treatment: OXIDE OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • 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 5130-01-645-0019, is classified within Federal Supply Class 5130 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. 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: Active.

Technical Specifications
ParameterValue
NSN5130-01-645-0019
Primary Part Number47-121
Item NameSocket,socket Wrench
FSC / FSG5130 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Style DesignatorUNIVERSAL JOINT
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Surface TreatmentOXIDE OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size21.0 MILLIMETERS NOMINAL SINGLE END MM
Features ProvidedPOWER TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-201-92097427 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5305-00-695-72062285845 INTERCHANGEABLE
Setscrew
General Motors Corp
5970-01-012-07444682 INTERCHANGEABLE
Insulator,washer
Keystone Electronics Corp
4820-01-173-677147121K INTERCHANGEABLE
Disk,valve
Griswold Industries Dba Cla-Val Co
3455-01-365-9527 INTERCHANGEABLE
Cutter,milling,end
3455-01-366-476947121 INTERCHANGEABLE
Cutter,milling,end
Niagara Cutter Inc
Cross-Reference Index
Part NumberManufacturer
47-121 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5935-00-201-9209INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7427
5305-00-695-7206INTERCHANGEABLE
SETSCREW
2285845
5970-01-012-0744INTERCHANGEABLE
INSULATOR,WASHER
4682
4820-01-173-6771INTERCHANGEABLE
DISK,VALVE
47121K
3455-01-365-9527INTERCHANGEABLE
CUTTER,MILLING,END
3455-01-366-4769INTERCHANGEABLE
CUTTER,MILLING,END
47121

Frequently Asked Questions

What is NSN 5130-01-645-0019?

NSN 5130-01-645-0019 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5130 (No Item Name Available). Status: active.

What are the part numbers for NSN 5130-01-645-0019?

NSN 5130-01-645-0019 has 1 cross-referenced part number: 47-121 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5130-01-645-0019?

There are 6 known substitutes for 5130-01-645-0019: 5935-00-201-9209, 5305-00-695-7206, 5970-01-012-0744 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 47-121?

Key specifications for 47-121: Overall Length: 80.6 MILLIMETERS NOMINAL MM; End Item Identification: SATS; Style Designator: UNIVERSAL JOINT; Drive End Shape: SQUARE SINGLE END INTERNAL. 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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