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 5915-01-394-6438
NSN 5985-00-343-3632
NSN 7035-01-150-6303
NSN 6685-01-502-1933
NSN 5855-01-659-0293
NSN 5999-01-641-3384
NSN 6110-01-506-4375
NSN 5835-01-436-6549
NSN 6220-00-280-2880
NSN 6240-01-406-5345
NSN 5999-01-551-5363
NSN 6240-01-111-5623