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 5930-00-390-6616
NSN 6650-01-548-3495
NSN 5895-00-654-5812
NSN 5895-01-181-7048
NSN 7035-01-123-8723
NSN 5965-01-091-1884
NSN 5999-01-171-4163
NSN 6620-00-082-1525
NSN 6130-01-415-3345
NSN 6320-00-450-7014
NSN 5855-00-757-5149
NSN 5895-01-528-3356