Part Details | PISTON RING
4310-00-131-5261 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: SM4, SM-4, BS51703PC109, BS5-1703PC109, 4310-00-131-5261, 00-131-5261, 4310001315261, 001315261
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 43 | JAN 01, 1961 | 00-131-5261 | 11459 ( RING, PISTON ) | 
REFERENCE DRAWINGS & PICTURES
PLAIN RECTANGULAR, STRAIGHT FACE
 
							CONCENTRIC
 
							STEP JOINT
 
					Cross Reference | NSN 4310-00-131-5261
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| SM-4 | 63857 | WARREN PUMPS LLC | 
| BS5-1703PC109 | 63857 | WARREN PUMPS LLC | 
Technical Data | NSN 4310-00-131-5261
| Characteristic | Specifications | 
|---|---|
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE | 
| JOINT STYLE | STEP JOINT | 
| RING STYLE | CONCENTRIC | 
| RADIAL WALL THICKNESS | 0.1150 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM | 
| OVERALL WIDTH | 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM | 
| STANDARD BORE DIAMETER | 3.000 INCHES | 
| BORE DIAMETER OVERSIZE | 0.010 INCHES | 
| FSC APPLICATION DATA | STEAM PISTON,DIRECT ACTING RECIPROCATING PUMP | 
