The Ring,piston, cataloged under National Stock Number 2805-00-271-8980, 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 Capitol Engine Co, Inc Dba Salmini Worldwide. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-271-8980 |
| Primary Part Number | A55461 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Capitol Engine Co, Inc Dba Salmini Worldwide |
| Status | ACTIVE |
| FSC Application Data | PISTON,GASOLINE ENGINE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.2230 INCHES MINIMUM AND 0.2330 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| Standard Bore Diameter | 6.375 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 |
|---|---|
| A55461 PRIMARY | Capitol Engine Co, Inc Dba Salmini Worldwide (USA) |
| Reference | Meaning |
|---|---|
| A64000 | 5/9 Secondary reference Sasco Inc Canadian Div |
NSN 2805-00-271-8980 is a Ring,piston, manufactured by Capitol Engine Co, Inc Dba Salmini Worldwide, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-271-8980 has 1 manufacturer part number on file: A55461 (Capitol Engine Co, Inc Dba Salmini Worldwide).
Key specifications for A55461: FSC Application Data: PISTON,GASOLINE ENGINE; Overall Width: 0.0905 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 8 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.