PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21761Socket,socket Wrench

Amron International Inc · NSN 5120-01-491-8912 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-491-8912 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-491-8912. Primary manufacturer part number: 21761.
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 5120-01-491-8912, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-491-8912
Primary Part Number21761
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 5
1680-00-118-3257PM-21761 INTERCHANGEABLE
Cover,grip Control
Mason Electric Co. Dba Mason Controls
1075-00-331-708721761-4 INTERCHANGEABLE
Controller,manual,a
Ward Leonard Ct Llc
5310-00-431-2157L2370 INTERCHANGEABLE
Washer,key
Caterpillar Inc Div Caterpillar Defense
6515-01-573-753221761 INTERCHANGEABLE
Otoscope
Welch Allyn, Inc.
1630-01-647-76652-1761 INTERCHANGEABLE
Brake,multiple Disk
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
21761 PRIMARY Amron International Inc (USA)
Related Parts
1680-00-118-3257INTERCHANGEABLE
COVER,GRIP CONTROL
PM-21761
1075-00-331-7087INTERCHANGEABLE
CONTROLLER,MANUAL,A
21761-4
5310-00-431-2157INTERCHANGEABLE
WASHER,KEY
L2370
6515-01-573-7532INTERCHANGEABLE
OTOSCOPE
21761
1630-01-647-7665INTERCHANGEABLE
BRAKE,MULTIPLE DISK
2-1761

Frequently Asked Questions

What is NSN 5120-01-491-8912?

NSN 5120-01-491-8912 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 5120-01-491-8912?

NSN 5120-01-491-8912 has 1 cross-referenced part number: 21761 (Amron International Inc).

What NSN replaces 5120-01-491-8912?

There are 5 known substitutes for 5120-01-491-8912: 1680-00-118-3257, 1075-00-331-7087, 5310-00-431-2157 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21761?

Key specifications for 21761: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Part Name Assigned by Controlling Agency: SOCKET 8 POINT X 13/16 INCH IN. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com