PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21758Socket,socket Wrench

Amron International Inc · NSN 5120-01-491-8917 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-491-8917 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-491-8917. Primary manufacturer part number: 21758.
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 5120-01-491-8917, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-491-8917
Primary Part Number21758
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 6
1650-00-120-876521758 INTERCHANGEABLE
Sensor,constant Speed
Sensata Technologies, Inc. Div Sensata Attleboro
6515-00-374-2305 INTERCHANGEABLE
Stethoscope
5935-00-827-1336 INTERCHANGEABLE
Connector,receptacle,electrical
5342-00-880-829721756 INTERCHANGEABLE
Hinge,peg
Norris Dispenser Company
5925-01-240-404621758 INTERCHANGEABLE
Circuit Breaker
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5340-01-550-5731217-58 INTERCHANGEABLE
Base,magnetic
Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations
Cross-Reference Index
Part NumberManufacturer
21758 PRIMARY Amron International Inc (USA)
Related Parts
1650-00-120-8765INTERCHANGEABLE
SENSOR,CONSTANT SPEED
21758
6515-00-374-2305INTERCHANGEABLE
STETHOSCOPE
5935-00-827-1336INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5342-00-880-8297INTERCHANGEABLE
HINGE,PEG
21756
5925-01-240-4046INTERCHANGEABLE
CIRCUIT BREAKER
21758
5340-01-550-5731INTERCHANGEABLE
BASE,MAGNETIC
217-58

Frequently Asked Questions

What is NSN 5120-01-491-8917?

NSN 5120-01-491-8917 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 5120-01-491-8917?

NSN 5120-01-491-8917 has 1 cross-referenced part number: 21758 (Amron International Inc).

What NSN replaces 5120-01-491-8917?

There are 6 known substitutes for 5120-01-491-8917: 1650-00-120-8765, 6515-00-374-2305, 5935-00-827-1336 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21758?

Key specifications for 21758: Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN; Part Name Assigned by Controlling Agency: SOCKET 8 POINT X 5/8 INCH 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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