The Ring Set,piston, cataloged under National Stock Number 2805-00-216-5572, 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 Tvh Parts Co.. Government technical data includes 3 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-216-5572 |
| Primary Part Number | 007991798 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Tvh Parts Co. |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING,12,EXPANDER RING,4,OIL RING,4 |
| Piston Accommodation Quantity | 4 |
| Standard Bore Diameter | 3.625 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 |
|---|---|
| 007991798 | Tvh Parts Co. (USA) |
| Reference | Meaning |
|---|---|
| 905-710 | 5/9 Secondary reference Dresser, Llc |
| 991798 | 5/2 Secondary reference U.S. Government activity |
| 007991798 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 991798 | 5/9 Secondary reference Clark Equipment Co |
| G-907-186(4) | 3/9 Design control — primary reference U.S. Government activity |
NSN 2805-00-216-5572 is a Ring Set,piston, manufactured by Tvh Parts Co., classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-216-5572 has 1 manufacturer part number on file: 007991798 (Tvh Parts Co.).
Key specifications for 007991798: Ring Set Component Parts: COMPRESSION RING,12,EXPANDER RING,4,OIL RING,4; Piston Accommodation Quantity: 4; Standard Bore Diameter: 3.625 INCHES IN. 3 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.