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 6135-01-439-8669
NSN 5998-01-211-6752
NSN 4140-01-519-8910
NSN 5975-01-192-5204
NSN 5915-01-437-5653
NSN 5905-01-265-1088
NSN 5975-00-888-4661
NSN 6620-01-537-1326
NSN 6150-01-260-8169
NSN 6320-00-925-0558
NSN 5835-01-619-6268
NSN 5975-01-444-1480