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 5910-01-029-0290
NSN 5945-01-505-4558
NSN 5855-01-213-9076
NSN 6130-00-747-9714
NSN 5960-01-023-8800
NSN 5835-00-644-4512
NSN 5990-01-521-7890
NSN 5905-01-014-6636
NSN 2925-00-947-3181
NSN 5925-01-322-3882
NSN 7035-00-946-2642
NSN 5905-01-023-8181