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 5920-01-552-5887
NSN 5915-00-900-7577
NSN 7035-01-535-6945
NSN 5975-00-340-3933
NSN 5975-01-451-4799
NSN 6105-01-437-6431
NSN 5960-01-468-5785
NSN 5835-00-348-8549
NSN 6135-01-528-0699
NSN 5905-00-484-3383
NSN 6320-01-525-4789
NSN 5996-00-098-3864