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 6130-00-031-5331
NSN 5945-01-609-5671
NSN 6645-01-535-7136
NSN 6240-00-822-4571
NSN 5925-00-307-4015
NSN 6135-00-484-8556
NSN 5915-01-257-1959
NSN 2925-01-629-9416
NSN 6130-01-021-3708
NSN 5915-01-564-6722
NSN 6105-01-528-7557
NSN 6685-01-028-3156