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 5905-00-785-9875
NSN 5945-00-306-0986
NSN 5999-01-170-4354
NSN 5990-01-147-5225
NSN 6240-01-342-3274
NSN 6685-01-070-3496
NSN 6320-00-284-1524
NSN 6620-01-227-7219
NSN 5905-00-081-6137
NSN 6150-01-542-4913
NSN 5975-01-283-4085
NSN 5998-01-138-9843