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 6135-01-265-1384
NSN 6610-01-212-9817
NSN 5990-00-546-8619
NSN 6150-01-166-2236
NSN 5950-01-353-1135
NSN 5945-01-338-9311
NSN 5960-00-201-5265
NSN 5985-01-522-2560
NSN 5965-00-931-8446
NSN 5960-01-052-6254
NSN 6685-01-429-8922
NSN 6105-00-660-8882