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 5975-01-609-6071
NSN 5855-00-797-8217
NSN 5945-01-630-1689
NSN 5996-01-323-6008
NSN 5930-01-510-1284
NSN 5925-01-449-1456
NSN 5996-00-186-8709
NSN 6145-01-553-1091
NSN 6610-00-587-3260
NSN 5999-00-708-1948
NSN 6610-01-128-2428
NSN 7035-01-381-6185