Part Details | PISTON RING
2805-00-273-0398 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: 34472, 18259, 18-259, 2805-00-273-0398, 00-273-0398, 2805002730398, 002730398
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 28 | JAN 01, 1963 | 00-273-0398 | 11459 ( RING, PISTON ) | 
REFERENCE DRAWINGS & PICTURES
STRAIGHT FACE, BOTTOM RELIEF
 
							CONCENTRIC
 
							VERTICAL JOINT
 
					Cross Reference | NSN 2805-00-273-0398
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| 34472 | 77220 | DANA CORPENGINE PRODUCTS DIV | 
| 18-259 | 35301 | DRESSER INDUSTRIES INCLEROI DIV | 
Technical Data | NSN 2805-00-273-0398
| Characteristic | Specifications | 
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | STRAIGHT FACE, BOTTOM RELIEF | 
| JOINT STYLE | VERTICAL JOINT | 
| RING STYLE | CONCENTRIC | 
| RADIAL WALL THICKNESS | 0.1540 INCHES MINIMUM AND 0.1640 INCHES MAXIMUM | 
| OVERALL WIDTH | 0.1235 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM | 
| STANDARD BORE DIAMETER | 3.750 INCHES |