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 5975-01-571-8533
NSN 5910-01-204-8525
NSN 5965-01-167-8513
NSN 5996-00-059-2407
NSN 5930-01-599-6998
NSN 5945-01-582-8644
NSN 5915-01-216-6719
NSN 6150-00-174-8611
NSN 5855-01-621-5401
NSN 6650-01-156-8173
NSN 6135-01-017-3001
NSN 5999-01-072-5609