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 5920-01-465-6312
NSN 5915-00-017-8865
NSN 5835-00-185-4919
NSN 7035-00-978-7837
NSN 5985-01-032-6251
NSN 5855-01-561-7757
NSN 5990-01-486-2556
NSN 6110-00-501-5585
NSN 5920-01-218-6191
NSN 5945-01-452-8877
NSN 5996-01-563-1124
NSN 6685-01-559-4076