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 5910-01-579-4145
NSN 6610-01-487-6843
NSN 6220-01-480-7194
NSN 6150-01-132-4651
NSN 5965-01-005-0341
NSN 6645-01-565-4770
NSN 6220-01-544-8359
NSN 6320-01-119-3935
NSN 6685-00-110-8990
NSN 6130-01-614-0375
NSN 5990-01-251-7313
NSN 5935-00-365-8435