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 5990-01-562-4521
NSN 5985-00-238-7841
NSN 6130-00-716-0770
NSN 6150-01-568-5976
NSN 5915-01-460-2221
NSN 2925-01-474-3363
NSN 5915-01-088-2033
NSN 6150-01-367-3066
NSN 4140-00-277-6285
NSN 6610-01-487-6843
NSN 5855-01-400-1590
NSN 6685-00-230-4267