NSN 5365-01-421-1863 · NIIN 014211863 · Part number 803-6397434-X52XXX ITEM 21
Naval Sea Systems Command · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5365-01-421-1863 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-421-1863. Manufacturer of record part number: 803-6397434-X52XXX ITEM 21.
Also searched as5365-01-421-1863 ·
5365014211863 ·
NIIN 014211863 ·
01-421-1863 ·
FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 53711 · 803-6397434-X52XXX ITEM 21
The Ring,externally Threaded, cataloged under National Stock Number 5365-01-421-1863, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file
Frequently Asked Questions
What is NSN 5365-01-421-1863?
NSN 5365-01-421-1863 is a Ring,externally Threaded, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
What part numbers are listed for NSN 5365-01-421-1863?
NSN 5365-01-421-1863 has 1 manufacturer part number on file: 803-6397434-X52XXX ITEM 21 (Naval Sea Systems Command).
What are the specifications of 803-6397434-X52XXX ITEM 21?
Key specifications for 803-6397434-X52XXX ITEM 21: Overall Length: 0.594 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Size: 1.3125-16; Thread Class: 2A A. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5365-01-421-1863 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.