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 5835-00-560-6650
NSN 2925-00-221-4977
NSN 6685-01-268-3521
NSN 6645-00-173-2800
NSN 5835-01-023-8733
NSN 6610-01-168-7943
NSN 4140-01-565-9408
NSN 6645-00-583-0066
NSN 5930-01-600-4168
NSN 5895-00-705-9156
NSN 5935-01-168-8781
NSN 6240-01-234-7893