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 5975-00-409-0791
NSN 5975-00-864-3759
NSN 2925-01-459-8093
NSN 6320-01-575-6342
NSN 5945-01-445-6081
NSN 6645-01-571-1234
NSN 5965-01-539-7345
NSN 6135-01-071-4923
NSN 5895-01-443-2482
NSN 6645-00-332-2710
NSN 6620-01-485-6459
NSN 5998-00-036-8510