NSN 2805-00-278-1890
Part Details | PISTON RING
2805-00-278-1890 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.
Alternate Parts: 43149A030, 43149A030, 2805-00-278-1890, 00-278-1890, 2805002781890, 002781890
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 28 | JAN 01, 1963 | 00-278-1890 | 11459 ( RING, PISTON ) |
REFERENCE DRAWINGS & PICTURES
INSIDE COUNTERBORE, STRAIGHT FACE
CONCENTRIC
VERTICAL JOINT
Cross Reference | NSN 2805-00-278-1890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 43149A030 | 1ML14 | BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS |
| 43149A030 | 28265 | HERCULES ENGINE CO INC |
Technical Data | NSN 2805-00-278-1890
| Characteristic | Specifications |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | 6 INSIDE COUNTERBORE, STRAIGHT FACE |
| JOINT STYLE | VERTICAL JOINT |
| RING STYLE | CONCENTRIC |
| RADIAL WALL THICKNESS | 0.1700 INCHES NOMINAL |
| OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM |
| STANDARD BORE DIAMETER | 4.000 INCHES |
| BORE DIAMETER OVERSIZE | 0.030 INCHES |