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 6220-00-296-4101
NSN 6150-01-298-2868
NSN 6645-00-913-2723
NSN 2925-01-415-0264
NSN 5920-01-110-7491
NSN 5945-01-100-0657
NSN 5985-01-555-8999
NSN 5905-01-288-4235
NSN 6105-01-119-9623
NSN 5915-01-134-4272
NSN 6110-01-235-7470
NSN 5925-01-099-0372