The Ring,piston, cataloged under National Stock Number 2815-01-583-8507, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Westerbeke Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 2815-01-583-8507 |
| Primary Part Number | 53277 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Westerbeke Corporation |
| 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 |
|---|---|
| 1C011-2109-0 | Kubota Engine America Corporation (USA) |
| 53277 PRIMARY | Westerbeke Corporation (USA) |
NSN 2815-01-583-8507 is a Ring,piston, manufactured by Westerbeke Corporation, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-583-8507 has 2 manufacturer part numbers on file: 1C011-2109-0 (Kubota Engine America Corporation), 53277 (Westerbeke Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6230-01-726-4574. Verify interchangeability with system specifications before substitution.
Key specifications for 53277: Part Name Assigned by Controlling Agency: ASSY, PISTON RING; End Item Identification: GENERATOR SET (INLS) CREW SHELTER. 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.