PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21764Socket,socket Wrench

Amron International Inc · NSN 5120-01-491-8918 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-491-8918 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-491-8918. Primary manufacturer part number: 21764.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • 1 verified cross-reference
  • Primary manufacturer: Amron International Inc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-491-8918, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Amron International Inc. Government technical data includes 1 verified specification, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-491-8918
Primary Part Number21764
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAmron International Inc
StatusACTIVE
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-004-042621764 INTERCHANGEABLE
Screw,machine
Mason Electric Co. Dba Mason Controls
3455-00-232-409463461 INTERCHANGEABLE
Reamer,machine
Jcorps Dba Lashundra Craig
5999-00-374-08265214325 INTERCHANGEABLE
Cap,electrical
U S Army Tank Automotive Command Amsta-Im-Mm
4820-01-140-2087N21764 INTERCHANGEABLE
Yoke,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21764 PRIMARY Amron International Inc (USA)
Related Parts
5305-00-004-0426INTERCHANGEABLE
SCREW,MACHINE
21764
3455-00-232-4094INTERCHANGEABLE
REAMER,MACHINE
63461
5999-00-374-0826INTERCHANGEABLE
CAP,ELECTRICAL
5214325
4820-01-140-2087INTERCHANGEABLE
YOKE,VALVE
N21764

Frequently Asked Questions

What is NSN 5120-01-491-8918?

NSN 5120-01-491-8918 is a Socket,socket Wrench, manufactured by Amron International Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-491-8918?

NSN 5120-01-491-8918 has 1 cross-referenced part number: 21764 (Amron International Inc).

What NSN replaces 5120-01-491-8918?

There are 4 known substitutes for 5120-01-491-8918: 5305-00-004-0426, 3455-00-232-4094, 5999-00-374-0826 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21764?

Key specifications for 21764: Part Name Assigned by Controlling Agency: SOCKET 8 POINT X 1 1/16 INCH IN; Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN. 2 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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