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 5935-00-484-1291
NSN 5935-00-061-0248
NSN 5915-01-393-4406
NSN 5985-01-632-2240
NSN 6620-01-430-4111
NSN 6130-01-217-3181
NSN 6150-01-601-7961
NSN 6145-01-165-7110
NSN 5985-01-147-5470
NSN 6150-01-605-0959
NSN 5925-01-512-9060
NSN 5975-01-512-7065