The Spacer,ring, cataloged under National Stock Number 5365-01-221-9795, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Spacer,ring |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Bae Systems Land & Armaments L.p. (CAGE 44114); Naval Sea Systems Command (CAGE 53711); Leonardo S.p.a. - Electronics Division - Defence Business Area (CAGE A0199) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-221-9795 |
| Primary Part Number | 5521017 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1276-23-532 | Bae Systems Land & Armaments L.p. (USA) |
| 5521017 PRIMARY | Naval Sea Systems Command (USA) |
| 1276-23-532 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| 5365PL0834277 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5365-01-221-9795 is a Spacer,ring, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-221-9795 has 3 manufacturer part numbers on file: 1276-23-532 (Bae Systems Land & Armaments L.p.), 5521017 (Naval Sea Systems Command), 1276-23-532 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.