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 6145-00-462-2364
NSN 4140-01-381-6974
NSN 6620-01-570-4026
NSN 7035-00-500-7839
NSN 5945-01-440-9114
NSN 6685-01-476-4867
NSN 6685-01-160-8590
NSN 5998-00-276-3222
NSN 5835-00-764-4388
NSN 5960-01-246-4809
NSN 5996-01-580-7124
NSN 5915-00-167-0306