PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22301Insulator,washer

Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems · NSN 5970-00-859-9556 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-859-9556 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-859-9556. Primary manufacturer part number: 22301.
Features
  • Insulator,washer — FSC 5970
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Style Designator: ROUND, FLAT
  • Inside Diameter: 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
  • Outside Diameter: 0.595 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-859-9556, 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 Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems. Government technical data includes 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-859-9556
Primary Part Number22301
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerEaton Corporation Dba Airframe Div Fuel & Motion Control Systems
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Style DesignatorROUND, FLAT
Inside Diameter0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
Outside Diameter0.595 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-217-6838 INTERCHANGEABLE
Tube Assembly,exhaust
5365-00-343-9505 INTERCHANGEABLE
Ring,externally Threaded
1560-00-397-771422301 INTERCHANGEABLE
Fuselage Assembly a
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5910-00-465-3338 INTERCHANGEABLE
Capacitor Assembly
5935-00-553-2249 INTERCHANGEABLE
Connector,receptacle,electrical
5355-00-607-4338 INTERCHANGEABLE
Knob
5330-00-647-34249090447 INTERCHANGEABLE
Packing with Retainer
Us Army Aviation and Missile Command
5120-00-725-5322024-0255-00 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
1680-00-949-772822300 INTERCHANGEABLE
Vibrator,aircraft Instrument Pan
Safe Flight Instrument, Llc
5935-01-043-0650 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
22301 PRIMARY Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems (USA)
Related Parts
1560-00-217-6838INTERCHANGEABLE
TUBE ASSEMBLY,EXHAUST
5365-00-343-9505INTERCHANGEABLE
RING,EXTERNALLY THREADED
1560-00-397-7714INTERCHANGEABLE
FUSELAGE ASSEMBLY A
22301
5910-00-465-3338INTERCHANGEABLE
CAPACITOR ASSEMBLY
5935-00-553-2249INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5355-00-607-4338INTERCHANGEABLE
KNOB
5330-00-647-3424INTERCHANGEABLE
PACKING WITH RETAINER
9090447
5120-00-725-5322INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
024-0255-00
1680-00-949-7728INTERCHANGEABLE
VIBRATOR,AIRCRAFT INSTRUMENT PAN
22300
5935-01-043-0650INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5330-01-188-0839INTERCHANGEABLE
SEAL,PLAIN
22301
4130-01-228-8354INTERCHANGEABLE
MANIFOLD,REFRIGERATING,AUTOMATIC
22-301

Frequently Asked Questions

What is NSN 5970-00-859-9556?

NSN 5970-00-859-9556 is a Insulator,washer, manufactured by Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-859-9556?

NSN 5970-00-859-9556 has 1 cross-referenced part number: 22301 (Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems).

What NSN replaces 5970-00-859-9556?

There are 12 known substitutes for 5970-00-859-9556: 1560-00-217-6838, 5365-00-343-9505, 1560-00-397-7714 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22301?

Key specifications for 22301: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Style Designator: ROUND, FLAT; Inside Diameter: 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN; Special Features: 125 MICROINCH OVERALL. 6 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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