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 6620-01-549-6653
NSN 5930-01-187-4663
NSN 5930-00-080-8717
NSN 6105-01-122-3835
NSN 7035-01-512-1826
NSN 5965-01-090-6245
NSN 6220-00-269-3783
NSN 5999-01-579-4343
NSN 5910-00-828-9917
NSN 5935-01-443-4609
NSN 5895-01-065-0106
NSN 6320-01-216-1678