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 5999-01-229-1779
NSN 5999-00-242-8695
NSN 6110-00-072-9394
NSN 6105-01-442-4343
NSN 5996-00-560-0931
NSN 6685-01-116-6026
NSN 5975-01-090-7990
NSN 5910-01-498-9585
NSN 5855-00-986-9708
NSN 6620-01-254-7963
NSN 5965-01-299-7294
NSN 6130-00-431-3852