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 5835-00-102-2373
NSN 5835-00-789-1454
NSN 6110-00-361-0505
NSN 5905-01-323-4521
NSN 5998-00-263-1295
NSN 5975-00-203-1265
NSN 5915-01-474-1937
NSN 5950-01-654-9484
NSN 6110-01-587-8317
NSN 6620-01-514-7786
NSN 5945-00-999-9519
NSN 5835-00-863-0959