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 6645-01-587-4642
NSN 5975-00-926-0637
NSN 6135-00-519-1325
NSN 5985-00-097-6317
NSN 5975-01-412-9421
NSN 5915-01-411-5355
NSN 5975-01-463-9050
NSN 4140-00-222-2186
NSN 6645-01-140-8204
NSN 5998-00-161-0480
NSN 5945-01-555-6489
NSN 6220-00-893-9776