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 6135-00-221-4720
NSN 6620-00-355-1734
NSN 5915-00-539-9930
NSN 6110-01-311-9175
NSN 6150-00-324-4409
NSN 6220-01-578-7084
NSN 6110-01-355-0081
NSN 5996-01-032-4942
NSN 6135-01-532-5410
NSN 5945-01-423-9086
NSN 6645-01-118-4563
NSN 6620-00-730-8699