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 5965-00-071-0562
NSN 6145-01-575-6447
NSN 6645-01-458-5235
NSN 5905-00-075-2621
NSN 5895-00-480-5892
NSN 5975-01-580-7417
NSN 6685-00-794-6435
NSN 6220-01-500-1857
NSN 6105-00-512-3479
NSN 5960-01-624-1170
NSN 5895-00-256-1682
NSN 5855-01-508-6917