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 5915-01-084-1487
NSN 6110-00-484-2368
NSN 5998-01-560-3432
NSN 5985-00-480-4694
NSN 2925-01-423-4962
NSN 5925-01-415-4809
NSN 6110-00-627-1024
NSN 6240-00-543-9321
NSN 6320-00-937-5625
NSN 6135-00-932-3136
NSN 6610-01-487-8307
NSN 5999-01-179-5149