The Ring,piston, cataloged under National Stock Number 2805-00-508-0632, 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 Carrier Corp. Government technical data includes 7 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-508-0632 |
| Primary Part Number | AU50CP250 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR,AIR CONDITIONING UNIT |
| Cross-Sectional Shape Style | BEVELED FACE, SCRAPER, BOTTOM RELIEF |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.812 INCHES IN |
| Material | IRON OVERALL |
| 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 |
|---|---|
| AU50CP250 PRIMARY | Carrier Corp (USA) |
| 666183-129 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
NSN 2805-00-508-0632 is a Ring,piston, manufactured by Carrier Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-508-0632 has 2 manufacturer part numbers on file: AU50CP250 (Carrier Corp), 666183-129 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for AU50CP250: FSC Application Data: COMPRESSOR,AIR CONDITIONING UNIT; Overall Width: 0.1225 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN; Cross-Sectional Shape Style: BEVELED FACE, SCRAPER, BOTTOM RELIEF; Joint Style: DIAGONAL JOINT. 7 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.