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 5855-00-198-3197
NSN 5990-01-149-0691
NSN 5915-01-160-8175
NSN 6645-01-437-7770
NSN 5920-00-137-8939
NSN 5945-01-275-1493
NSN 6650-01-123-3110
NSN 5905-01-192-0053
NSN 6150-00-116-7939
NSN 7035-01-514-0599
NSN 6620-00-557-7008
NSN 5965-01-075-3148