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 6320-01-101-5816
NSN 5990-01-384-9747
NSN 5910-00-952-5654
NSN 5965-01-028-0326
NSN 5998-00-519-6418
NSN 6685-01-381-0759
NSN 6145-00-620-5515
NSN 6240-00-306-9562
NSN 5975-01-487-5954
NSN 5835-00-113-6090
NSN 6145-00-468-8534
NSN 5930-01-502-4902