NSN 2590-01-057-7274
Part Details | PISTON RING
2590-01-057-7274 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: 14441A, 14441-A, 2590-01-057-7274, 01-057-7274, 2590010577274, 010577274
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 25 | MAR 18, 1978 | 01-057-7274 | 11459 ( RING, PISTON ) |
REFERENCE DRAWINGS & PICTURES
PLAIN RECTANGULAR, STRAIGHT FACE
CONCENTRIC
VERTICAL JOINT
Cross Reference | NSN 2590-01-057-7274
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 14441-A | 27046 | PROPULSION SYSTEMS, INCDBA PROPELLER SERVICES |
Technical Data | NSN 2590-01-057-7274
| Characteristic | Specifications |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| JOINT STYLE | VERTICAL JOINT |
| RING STYLE | CONCENTRIC |
| RADIAL WALL THICKNESS | 0.7500 INCHES NOMINAL |
| OVERALL WIDTH | 0.6250 INCHES NOMINAL |
| STANDARD BORE DIAMETER | 31.500 INCHES |
| END ITEM IDENTIFICATION | USED ON SERVOMOTOR PISTON IN PROPULSION SYSTEMS INC PROPELLER HUB 378 FT WHEC COAST GUARD VESSELS |