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 5935-00-279-1778
NSN 5996-01-654-6729
NSN 6150-01-186-6560
NSN 6610-01-057-7474
NSN 5960-01-160-3437
NSN 6145-00-160-0767
NSN 6150-00-061-3106
NSN 6620-01-628-2620
NSN 6650-01-361-9336
NSN 6110-00-231-9493
NSN 6145-01-514-7737
NSN 5998-00-736-4662