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 6650-01-132-2697
NSN 6130-01-589-8061
NSN 6135-01-359-5798
NSN 5905-01-384-5997
NSN 6145-00-763-6077
NSN 5975-01-154-4082
NSN 6685-01-081-4095
NSN 5945-01-356-8780
NSN 5999-01-586-0847
NSN 5985-00-149-9414
NSN 5996-01-660-6157
NSN 6620-01-421-3917