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 6135-01-091-6021
NSN 6685-01-395-9156
NSN 6110-01-067-7677
NSN 5855-01-422-4720
NSN 5835-01-199-5902
NSN 6240-01-114-1926
NSN 5930-01-371-0958
NSN 6620-01-569-4621
NSN 5945-01-429-9824
NSN 6220-01-353-5851
NSN 6645-01-370-4259
NSN 2925-00-225-5386