| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 2520-00-142-5385
 
 Federal Supply Class:
 2520
 
 National Item Identification Number:
 001425385
 
 Description:
 RING,PISTON
 
 Detail:
 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.
 |  
		                        | 
 Manufacturer Information:
 
 | 1213956C1 | 23926 | KOMATSU AMERICA INTL CO |  | 1213956C1 | 45RP7 | DRESSTA NORTH AMERICA LTD |  | 223085 | 12603 | CLARK EQUIPMENT CO |  | 72785 | 23926 | KOMATSU AMERICA INTL CO |  | D72785 | 23926 | KOMATSU AMERICA INTL CO | 
 |  
					            | 
 Techincal Specification:
 
 | CRITICALITY CODE JUSTIFICATION | FEAT |  | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |  | FSC APPLICATION DATA | TRANSMISSION,HYDRAULIC,VEHICULAR |  | JOINT STYLE | INTERLOCKING JOINT |  | OVERALL WIDTH | 0.1250 INCHES NOMINAL |  | RADIAL WALL THICKNESS | 0.0830 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM |  | RING STYLE | CONCENTRIC |  | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |  | STANDARD BORE DIAMETER | 2.000 INCHES | 
 |  |