NSN 4310-00-491-5026
Part Details | PISTON RING
4310-00-491-5026 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: 34R332251, 34R33225-1, R33225, 4310-00-491-5026, 00-491-5026, 4310004915026, 004915026
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 43 | JUN 06, 1969 | 00-491-5026 | 11459 ( RING, PISTON ) |
REFERENCE DRAWINGS & PICTURES
INSIDE COUNTERBORE, STRAIGHT FACE
CONCENTRIC
HALF ROUND PINHOLE AT JOINT
STEP JOINT
Cross Reference | NSN 4310-00-491-5026
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 34R33225-1 | 23587 | FRICK CO |
| R33225 | 23587 | FRICK CO |
Technical Data | NSN 4310-00-491-5026
| Characteristic | Specifications |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | 4 INSIDE COUNTERBORE, STRAIGHT FACE |
| JOINT STYLE | STEP JOINT |
| RING STYLE | CONCENTRIC |
| RADIAL WALL THICKNESS | 0.2550 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM |
| OVERALL WIDTH | 0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM |
| PIN HOLE STYLE | HALF ROUND PINHOLE AT JOINT |
| PIN HOLE SLOT LENGTH | 0.140 INCHES NOMINAL |
| RING WIDTH PIN HOLE DEPTH | 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| STANDARD BORE DIAMETER | 7.000 INCHES |
