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 5985-01-415-7135
NSN 6685-00-663-9000
NSN 6130-00-719-7219
NSN 5920-01-249-7616
NSN 7035-01-588-5678
NSN 6240-00-977-0485
NSN 5935-00-862-7507
NSN 6135-01-153-8027
NSN 6620-00-888-3179
NSN 5945-00-358-7652
NSN 6130-01-056-5251
NSN 5935-01-446-6396