The Ring,piston, cataloged under National Stock Number 2805-00-323-8906, 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 Double Seal Ring Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-323-8906 |
| Primary Part Number | DS8015-7 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Double Seal Ring Co |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 0.750 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| DS8015-7 | Double Seal Ring Co (USA) |
| Reference | Meaning |
|---|---|
| J3-8006 | 3/2 Design control — primary reference U.S. Government activity |
| FR84-7 | 5/2 Secondary reference U.S. Government activity |
| ST7M342-7 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 2805-00-323-8906 is a Ring,piston, manufactured by Double Seal Ring Co, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-323-8906 has 1 manufacturer part number on file: DS8015-7 (Double Seal Ring Co).
Key specifications for DS8015-7: Criticality Code Justification: FEAT; Overall Width: 0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL 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.