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 5925-00-901-2375
NSN 5990-01-452-0911
NSN 5945-01-218-5645
NSN 6685-00-700-1668
NSN 5925-01-411-9736
NSN 6150-01-116-1271
NSN 6135-00-276-7625
NSN 5965-01-061-6871
NSN 6650-01-191-6862
NSN 5945-00-479-7955
NSN 5996-01-251-4900
NSN 5905-01-651-5060