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 5920-01-125-6469
NSN 5985-01-301-3209
NSN 5910-01-187-1912
NSN 5999-01-426-0064
NSN 5920-00-753-5113
NSN 5945-00-316-2720
NSN 2925-00-526-4541
NSN 5910-01-331-2342
NSN 6130-00-609-3358
NSN 5985-01-079-5440
NSN 5985-00-625-5980
NSN 7035-01-642-2153