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 6620-01-138-8250
NSN 6110-01-656-0417
NSN 2925-01-317-4543
NSN 7035-01-227-2546
NSN 6220-01-341-0630
NSN 6130-00-899-0485
NSN 5905-01-542-5970
NSN 6620-01-595-2113
NSN 5990-01-437-4876
NSN 6105-01-363-9225
NSN 5998-01-372-6701
NSN 5985-00-658-9652