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 5930-01-132-4251
NSN 6645-00-965-1488
NSN 6620-01-430-2212
NSN 5965-00-174-5792
NSN 2925-01-385-6661
NSN 5945-01-614-6567
NSN 5985-00-229-0453
NSN 6320-00-242-3300
NSN 6110-00-683-5461
NSN 6145-00-107-7913
NSN 5945-01-136-8746
NSN 6135-01-366-7477