PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2189141Ring,seal

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 1420-00-440-4729 · FSC 1420 · No Item Name Available
Verified by PartsTable
NSN 1420-00-440-4729 — this item is cataloged by the U.S. Government under National Stock Number 1420-00-440-4729. Primary manufacturer part number: 2189141.
Features
  • Ring,seal — FSC 1420
  • 2 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Ring,seal, cataloged under National Stock Number 1420-00-440-4729, is classified within Federal Supply Class 1420 (No Item Name Available) of the Guided Missiles group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRing,seal
FSC / FSG1420 — No Item Name Available (FSG 14)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001)
Technical Specifications
ParameterValue
NSN1420-00-440-4729
Primary Part Number2189141
Item NameRing,seal
FSC / FSG1420 / 14 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-700-082012Y2533 INTERCHANGEABLE
Washer,shouldered
Garwood/feller Inc Garwood Winch Div
Cross-Reference Index
Part NumberManufacturer
2188209 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2189141 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-700-0820INTERCHANGEABLE
WASHER,SHOULDERED
12Y2533

Frequently Asked Questions

What is NSN 1420-00-440-4729?

NSN 1420-00-440-4729 is a Ring,seal, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1420 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1420-00-440-4729?

NSN 1420-00-440-4729 has 2 cross-referenced part numbers: 2188209 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2189141 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 1420-00-440-4729?

There is 1 known substitute for 1420-00-440-4729: 5310-00-700-0820. Verify interchangeability with system specifications before substitution.

Is NSN 1420-00-440-4729 still in active supply?

NSN 1420-00-440-4729 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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