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 6145-01-024-2548
NSN 6685-01-327-7384
NSN 6620-01-578-7561
NSN 6105-00-273-1106
NSN 5895-00-815-7905
NSN 5835-00-419-0575
NSN 5975-00-156-3654
NSN 5910-01-113-4526
NSN 6220-01-600-6789
NSN 6650-01-458-9556
NSN 6150-01-032-4556
NSN 6110-01-422-3783