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 5960-01-522-0391
NSN 6320-00-194-4252
NSN 5998-00-812-8941
NSN 5950-00-107-7321
NSN 6320-01-161-6640
NSN 6645-01-607-5999
NSN 5920-01-557-1156
NSN 5895-01-460-0596
NSN 6685-00-198-9506
NSN 6110-01-133-3336
NSN 5945-01-381-2038
NSN 6685-01-539-4737