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 5965-01-309-1084
NSN 6685-00-830-8117
NSN 5930-01-505-8799
NSN 5910-01-490-3366
NSN 5950-01-005-6509
NSN 5895-01-320-2919
NSN 4140-01-586-2210
NSN 2925-00-406-2835
NSN 5835-01-192-4165
NSN 2925-00-925-0545
NSN 6620-01-474-4951
NSN 6685-01-625-0029