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 6650-01-323-0012
NSN 5905-00-211-4320
NSN 5915-01-505-9115
NSN 4140-00-696-4556
NSN 5998-00-111-4498
NSN 6150-01-288-5523
NSN 5975-01-226-4042
NSN 5920-00-763-3470
NSN 5915-01-369-4719
NSN 6685-01-265-8724
NSN 5985-01-595-6745
NSN 5925-00-938-7370