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 6650-01-500-1756
NSN 5975-01-176-2515
NSN 5855-01-366-2429
NSN 5999-01-390-2012
NSN 5920-00-763-4839
NSN 6685-01-135-3925
NSN 5910-00-942-7748
NSN 6150-00-864-9208
NSN 6620-01-201-1327
NSN 5998-01-201-3176
NSN 6685-01-398-1097
NSN 5945-00-440-0516