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 6110-01-027-8720
NSN 4140-01-265-3736
NSN 5945-01-278-5312
NSN 2925-00-138-9477
NSN 6220-01-523-4544
NSN 4140-01-100-7922
NSN 5935-01-617-2948
NSN 5895-01-563-0779
NSN 5999-01-064-0309
NSN 5915-01-338-5481
NSN 6105-01-534-4078
NSN 6240-01-361-9167