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 5998-01-653-1509
NSN 5920-01-482-6006
NSN 6240-01-280-5347
NSN 6240-01-315-7849
NSN 5975-00-432-0346
NSN 5996-00-379-0379
NSN 5925-00-655-4345
NSN 5855-01-474-6820
NSN 6650-01-501-4304
NSN 5855-01-178-6396
NSN 5975-00-292-3250
NSN 5998-00-772-5231