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.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6220-01-264-3485
NSN 5998-00-959-8382
NSN 5835-01-407-5260
NSN 5996-01-367-4209
NSN 6240-00-169-6408
NSN 5935-01-355-8881
NSN 6130-01-465-2501
NSN 6645-01-372-0126
NSN 5999-01-634-0576
NSN 5985-01-514-0360
NSN 5990-01-065-0492
NSN 5915-00-394-6523