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 6620-00-093-4186
NSN 5996-00-611-2641
NSN 6150-01-578-6419
NSN 5960-01-481-3722
NSN 6645-00-467-6094
NSN 6620-01-423-0833
NSN 5920-01-608-0915
NSN 6320-00-908-6841
NSN 6110-00-350-9571
NSN 6645-01-598-3976
NSN 5915-01-175-0190
NSN 6110-01-608-3775