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 5975-01-133-1583
NSN 5999-00-100-5761
NSN 6110-01-472-1963
NSN 6620-01-511-5352
NSN 6240-01-389-0552
NSN 2925-01-113-6904
NSN 6130-01-457-4525
NSN 6220-01-385-5392
NSN 5925-00-001-5977
NSN 2925-00-753-8598
NSN 2925-00-485-0543
NSN 5999-00-358-1933