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 5960-01-553-4557
NSN 5998-01-274-4652
NSN 6320-01-039-5891
NSN 6130-00-498-6755
NSN 6220-01-323-9242
NSN 5925-01-492-0245
NSN 6610-00-225-9886
NSN 5905-01-039-4163
NSN 6135-00-145-8884
NSN 6620-00-811-7614
NSN 6110-00-269-2696
NSN 5945-01-566-7355