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 4140-00-175-9114
NSN 5920-01-571-8583
NSN 5920-01-292-2045
NSN 6130-01-087-2843
NSN 5905-00-903-1616
NSN 5910-00-938-7429
NSN 5855-01-430-3246
NSN 6645-00-829-8868
NSN 5925-01-132-8569
NSN 5910-00-724-4692
NSN 6685-01-634-0611
NSN 5985-01-423-1057