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 6130-01-114-7845
NSN 6145-01-061-5921
NSN 5920-01-385-8307
NSN 2925-01-411-4666
NSN 6650-01-571-9386
NSN 6130-01-487-3758
NSN 5910-01-592-5921
NSN 5915-00-226-0910
NSN 5930-01-502-0076
NSN 5910-00-158-8786
NSN 5920-00-689-5656
NSN 5920-01-634-0250