The Ring Set,piston, cataloged under National Stock Number 2805-00-377-2324, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Solutions America Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2805-00-377-2324 |
| Primary Part Number | 5192861 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Ring Set Component Parts | COMPRESSION RING,5192583,72582,1; COMPRESSION RING,5192771,72582,3; OIL RING,5192864,72582,2 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 4.250 INCHES IN |
| 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 |
|---|---|
| 5192861 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| 5192861 | 5/9 Secondary reference General Motors Corp |
NSN 2805-00-377-2324 is a Ring Set,piston, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-377-2324 has 1 manufacturer part number on file: 5192861 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 1720-01-097-1014. Verify interchangeability with system specifications before substitution.
Key specifications for 5192861: Bore Diameter Oversize: 0.010 INCHES IN; Ring Set Component Parts: COMPRESSION RING,5192583,72582,1; COMPRESSION RING,5192771,72582,3; OIL RING,5192864,72582,2; Piston Accommodation Quantity: 1; Standard Bore Diameter: 4.250 INCHES IN. 4 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.