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 5945-00-360-3873
NSN 6150-00-326-5737
NSN 4140-00-624-2416
NSN 5925-01-484-6975
NSN 5998-01-580-9548
NSN 5990-01-544-4360
NSN 5985-01-070-2471
NSN 5998-01-419-2522
NSN 6130-00-061-7486
NSN 5975-00-785-9288
NSN 6110-00-464-1912
NSN 6135-00-165-3756