The Ring,special, cataloged under National Stock Number 5365-01-077-3279, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Olympus America Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-077-3279 |
| Primary Part Number | SM1275 |
| Item Name | Ring,special |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Olympus America Inc |
| 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 |
|---|---|
| SM1275 | Olympus America Inc (USA) |
| Reference | Meaning |
|---|---|
| SM1275 | 3/9 Design control — primary reference Olympus America Inc |
NSN 5365-01-077-3279 is a Ring,special, manufactured by Olympus America Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-077-3279 has 1 manufacturer part number on file: SM1275 (Olympus America Inc).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-481-8614. Verify interchangeability with system specifications before substitution.
Key specifications for SM1275: End Item Identification: ENGINE MODEL TF-41. 0 specifications are documented in the U.S. Government catalog.
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.