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 5960-00-584-4553
NSN 5990-01-568-5565
NSN 5930-01-281-4978
NSN 6320-01-512-2031
NSN 5935-00-953-3116
NSN 5998-01-406-3846
NSN 4140-00-394-8731
NSN 6135-01-483-1501
NSN 5998-01-023-7128
NSN 5965-01-207-0991
NSN 6130-01-285-8213
NSN 6645-00-200-2324