The Ring,piston, cataloged under National Stock Number 2810-01-063-8068, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Greene Tweed & Co Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-01-063-8068 |
| Primary Part Number | 092-5175001-000-0050 |
| Item Name | Ring,piston |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 3.0800 MILLIMETERS NOMINAL MM |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 175.0 MILLIMETERS MM |
| Material | PLASTIC TETRAFLUOROETHYLENE 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 |
|---|---|
| 092-5175001-000-0050 PRIMARY | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 092-5175001-000-0050 | 5/9 Secondary reference Palmetto Inc |
NSN 2810-01-063-8068 is a Ring,piston, manufactured by Greene Tweed & Co Inc, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-01-063-8068 has 1 manufacturer part number on file: 092-5175001-000-0050 (Greene Tweed & Co Inc).
Key specifications for 092-5175001-000-0050: Overall Width: 1.1700 MILLIMETERS NOMINAL MM; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Joint Style: DIAGONAL JOINT; Radial Wall Thickness: 3.0800 MILLIMETERS NOMINAL MM. 6 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.