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 5915-01-408-5980
NSN 4140-01-090-3866
NSN 5855-01-431-8937
NSN 5996-01-158-5197
NSN 5905-01-097-7189
NSN 6610-01-416-2738
NSN 6620-00-905-6590
NSN 6240-01-513-9642
NSN 6105-01-538-2160
NSN 6610-01-160-6585
NSN 6110-01-658-7426
NSN 5950-01-279-0834