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 4140-00-537-6299
NSN 5960-01-354-0762
NSN 5905-00-928-9056
NSN 5990-01-575-3275
NSN 5975-01-437-5352
NSN 6105-00-069-4370
NSN 6620-01-340-9425
NSN 5945-01-533-7149
NSN 6110-01-167-7939
NSN 5998-00-982-4213
NSN 5945-01-579-0275
NSN 5905-01-152-4785