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 6105-01-056-5258
NSN 5925-01-102-2356
NSN 5990-01-625-5923
NSN 5990-01-246-7417
NSN 5975-01-457-8254
NSN 6320-00-823-2015
NSN 5945-00-116-2387
NSN 5985-00-535-3426
NSN 6105-01-508-7921
NSN 6130-01-508-4360
NSN 5930-00-596-9276
NSN 5945-00-557-1955