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 6130-00-220-9655
NSN 5905-00-350-1989
NSN 5960-01-103-3150
NSN 6145-01-300-1108
NSN 5965-01-243-5494
NSN 5960-01-350-2925
NSN 6240-01-585-6311
NSN 4140-00-758-7686
NSN 6685-01-625-0029
NSN 5905-01-442-6134
NSN 6320-01-600-5808
NSN 6650-00-283-0978