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 6620-01-039-5468
NSN 2925-01-418-8106
NSN 5998-00-220-5796
NSN 5915-01-316-5673
NSN 5990-01-195-3077
NSN 5835-01-416-6455
NSN 5915-01-603-7232
NSN 2925-01-197-7864
NSN 6650-01-252-8190
NSN 5905-01-363-4151
NSN 6610-01-133-2602
NSN 5965-00-902-6673