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 6135-00-422-3967
NSN 6620-01-473-5163
NSN 5985-00-840-2814
NSN 5985-01-131-9644
NSN 6130-01-075-0733
NSN 5925-01-392-9338
NSN 6240-01-435-6505
NSN 5930-01-570-5537
NSN 5935-01-421-9758
NSN 5930-01-493-8140
NSN 6145-01-205-5936
NSN 5925-00-740-9996