The Ring Set,piston, cataloged under National Stock Number 2805-00-566-7293, 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 Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-566-7293 |
| Primary Part Number | T7588 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Piston Accommodation Quantity | 8 |
| Standard Bore Diameter | 3.938 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 |
|---|---|
| T7588 PRIMARY | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| 2421711 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 2421711 | 5/9 Secondary reference U.S. Government activity |
| 2421711 | 5/2 Secondary reference U.S. Government activity |
| 1653447 | 5/9 Secondary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
NSN 2805-00-566-7293 is a Ring Set,piston, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-566-7293 has 2 manufacturer part numbers on file: T7588 (Trw Inc Trw Intl Trade Government Sales Dept), 2421711 (Chrysler Realty Company Llc Dba Daimler Chrysler).
Key specifications for T7588: Piston Accommodation Quantity: 8; Standard Bore Diameter: 3.938 INCHES IN; End Item Identification: ENGINE,GASOLINE;GENERAL OTORS CORPORATION;MDL1955-58;SERIES 316,347. 2 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.