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 6105-01-342-4220
NSN 6645-01-419-4257
NSN 6645-01-158-8136
NSN 4140-00-761-7761
NSN 6685-01-629-6090
NSN 5975-01-624-1600
NSN 5996-01-208-5045
NSN 5915-01-117-0733
NSN 5945-01-192-3800
NSN 5905-00-156-2982
NSN 5965-01-643-5191
NSN 6610-01-314-3659