The Ring,piston, cataloged under National Stock Number 2805-00-628-9782, 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 Curtiss-Wright Controls, Inc. Div Actuation Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-628-9782 |
| Primary Part Number | 229878 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| FSC Application Data | ENGINE,AIRCRAFT,JET |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE AND SAE 1095 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1420 INCHES MINIMUM AND 0.1480 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 3.900 INCHES IN |
| Material | STEEL COMP 1095 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 |
|---|---|
| 229878 PRIMARY | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| Reference | Meaning |
|---|---|
| D1003-2 | 5/9 Secondary reference Sci Systems Inc |
NSN 2805-00-628-9782 is a Ring,piston, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-628-9782 has 1 manufacturer part number on file: 229878 (Curtiss-Wright Controls, Inc. Div Actuation Division).
Key specifications for 229878: FSC Application Data: ENGINE,AIRCRAFT,JET; Overall Width: 0.0560 INCHES MINIMUM AND 0.0580 INCHES MAXIMUM IN; Material Document and Classification: 66 FED STD 1ST MATERIAL RESPONSE AND SAE 1095 NATIONAL SPEC 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 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.