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 6110-00-229-8137
NSN 6150-00-445-9917
NSN 5835-01-284-5689
NSN 6610-00-296-5007
NSN 5960-00-016-0372
NSN 6685-01-528-4470
NSN 6620-01-281-6386
NSN 5985-01-178-7841
NSN 7035-01-435-7962
NSN 6135-01-502-5787
NSN 6150-01-134-5239
NSN 5915-01-166-3621