PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4594W53P002Insulator,washer

Ametek Inc Div Aerospace and Defense · NSN 5970-01-121-6589 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-121-6589 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-121-6589. Primary manufacturer part number: 4594W53P002.
Features
  • Insulator,washer — FSC 5970
  • 19 verified cross-references
  • Primary manufacturer: Ametek Inc Div Aerospace and Defense
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-121-6589, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ametek Inc Div Aerospace and Defense. This item has 19 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameInsulator,washer
FSC / FSG5970 — No Item Name Available (FSG 59)
ManufacturersBae Systems, Ro Defence (CAGE K6894); British Aerospace Defence Systems Ltd T/a Bae Systems (CAGE K4556); Raytheon Company Dba Raytheon (CAGE 96214); Lockheed Martin Corporation Div Rms (CAGE 03538); L3harris Technologies, Inc. (CAGE 28527)
Technical Specifications
ParameterValue
NSN5970-01-121-6589
Primary Part Number4594W53P002
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAmetek Inc Div Aerospace and Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5970-01-049-834213153262-8 INTERCHANGEABLE
Insulator,plate
Us Army Aviation and Missile Command
5970-01-078-642669-11-5615-1671 INTERCHANGEABLE
Insulator,washer
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5970-01-079-246960-12-4718-1671 INTERCHANGEABLE
Insulator,plate
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5970-01-100-961660-11-4305-1678 INTERCHANGEABLE
Insulator,plate
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5970-01-120-0285802373-28 INTERCHANGEABLE
Insulator,washer
Raytheon Company Dba Raytheon
5970-01-160-033860-12-4659-1674 INTERCHANGEABLE
Insulator,washer
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
Cross-Reference Index
Part NumberManufacturer
SC575056-1 Bae Systems, Ro Defence (GBR)
41193-132-00-2 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
802373AE Raytheon Company Dba Raytheon (USA)
77C719641P005 Lockheed Martin Corporation Div Rms (USA)
2800249G002 L3harris Technologies, Inc. (USA)
11780300-2 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
7031-20005-02-3 ITEM 77 Bae Systems, Ro Defence (GBR)
951433-4 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
13079865 Program Manager Advanced Attack Helicopter Barcom Amcpm-Aah (USA)
4193-132-00-2 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
13079865 Lockheed Martin Corporation (USA)
4594W53P002 PRIMARY Ametek Inc Div Aerospace and Defense (USA)
PC92028-2 Rockwell Collins, Inc. Dba Rc Displays Systems (USA)
7031-20005-02-3/77 Bae Systems, Ro Defence (GBR)
FH362-1002-661N Bae Systems, Ro Defence (GBR)
352250042031 Thales Nederland (NLD)
60-11-4661-1671 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA)
802373-30 Raytheon Company Dba Raytheon (USA)
13079865 Northrop Grumman Systems Corporation (USA)
Related Parts
5970-01-049-8342INTERCHANGEABLE
INSULATOR,PLATE
13153262-8
5970-01-078-6426INTERCHANGEABLE
INSULATOR,WASHER
69-11-5615-1671
5970-01-079-2469INTERCHANGEABLE
INSULATOR,PLATE
60-12-4718-1671
5970-01-100-9616INTERCHANGEABLE
INSULATOR,PLATE
60-11-4305-1678
5970-01-120-0285INTERCHANGEABLE
INSULATOR,WASHER
802373-28
5970-01-160-0338INTERCHANGEABLE
INSULATOR,WASHER
60-12-4659-1674

Frequently Asked Questions

What is NSN 5970-01-121-6589?

NSN 5970-01-121-6589 is a Insulator,washer, manufactured by Ametek Inc Div Aerospace and Defense, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-01-121-6589?

NSN 5970-01-121-6589 has 19 cross-referenced part numbers: SC575056-1 (Bae Systems, Ro Defence), 41193-132-00-2 (British Aerospace Defence Systems Ltd T/a Bae Systems), 802373AE (Raytheon Company Dba Raytheon), 77C719641P005 (Lockheed Martin Corporation Div Rms), 2800249G002 (L3harris Technologies, Inc.) and 14 more.

What NSN replaces 5970-01-121-6589?

There are 6 known substitutes for 5970-01-121-6589: 5970-01-049-8342, 5970-01-078-6426, 5970-01-079-2469 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 5970-01-121-6589 still in active supply?

NSN 5970-01-121-6589 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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