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 5905-01-139-5317
NSN 5998-00-992-0282
NSN 6240-00-357-7976
NSN 5996-01-516-1503
NSN 7035-00-286-6221
NSN 5999-01-198-4683
NSN 6130-01-542-9594
NSN 6110-00-758-7452
NSN 6145-01-169-9657
NSN 6110-01-168-4612
NSN 6620-01-411-2295
NSN 5925-01-157-9548