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 6685-01-355-7377
NSN 5920-00-100-2582
NSN 5965-01-202-1007
NSN 5920-00-488-7818
NSN 5925-01-235-5959
NSN 2925-00-833-9466
NSN 6130-01-044-5436
NSN 6145-00-526-3056
NSN 6220-01-660-1348
NSN 6685-01-222-5556
NSN 7035-01-029-7221
NSN 6650-00-801-8298