The Ring Set,piston, cataloged under National Stock Number 2805-00-623-4942, 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 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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 | 2805-00-623-4942 |
| Primary Part Number | RNG3 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING,60532,2; OIL RING,60532,1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-623-4942 is a Ring Set,piston, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-623-4942 has 2 manufacturer part numbers on file: RNG3 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), RNG-203 (C M P Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5325-00-839-2444. Verify interchangeability with system specifications before substitution.
Key specifications for RNG3: Ring Set Component Parts: COMPRESSION RING,60532,2; OIL RING,60532,1. 1 specification is 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.