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 5945-01-159-7990
NSN 6645-00-287-9192
NSN 5935-00-884-2641
NSN 6320-00-116-3658
NSN 6610-01-140-1984
NSN 6645-01-147-5579
NSN 5965-00-702-7257
NSN 5996-01-198-2127
NSN 6685-01-363-2349
NSN 5975-01-294-9093
NSN 5960-00-959-3341
NSN 6145-01-348-3779