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 6135-01-322-4655
NSN 6610-01-293-8156
NSN 6685-01-557-4868
NSN 5915-00-253-5142
NSN 5996-00-863-6142
NSN 4140-00-163-6200
NSN 2925-01-248-2269
NSN 5998-00-820-5818
NSN 5998-01-147-5597
NSN 6135-00-911-9321
NSN 6620-00-816-9755
NSN 6220-00-231-5778