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 5855-01-079-1259
NSN 5895-01-134-5330
NSN 6110-01-576-8935
NSN 5985-01-110-3542
NSN 5925-00-476-8740
NSN 6135-01-472-9011
NSN 6320-01-157-9076
NSN 6130-00-446-6922
NSN 6105-00-889-9935
NSN 7035-01-512-1826
NSN 5915-01-577-1682
NSN 5999-01-510-9408