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 5835-01-631-3940
NSN 7035-01-577-5705
NSN 5945-01-644-4196
NSN 6610-01-220-2967
NSN 6645-01-268-4045
NSN 6130-00-297-5793
NSN 5905-00-136-8440
NSN 6240-01-281-7249
NSN 5999-01-039-5054
NSN 5855-01-250-2421
NSN 5950-01-651-9898
NSN 5855-01-602-9335