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 6320-01-275-3972
NSN 5945-01-198-2726
NSN 6130-01-544-7251
NSN 5990-00-822-9269
NSN 5990-00-292-5017
NSN 5998-01-377-4497
NSN 5950-01-345-5596
NSN 5935-01-219-5019
NSN 5945-01-447-3456
NSN 6610-00-663-7749
NSN 6145-00-468-8534
NSN 7035-01-053-4769