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 5935-01-529-6522
NSN 5998-01-573-7669
NSN 5965-01-381-4879
NSN 5998-01-533-4496
NSN 6320-00-115-0883
NSN 5915-00-278-5561
NSN 6220-01-526-5081
NSN 5975-00-226-8429
NSN 6135-00-917-1894
NSN 6645-00-542-1206
NSN 5925-00-161-7005
NSN 5855-01-562-7562