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 6620-01-083-7796
NSN 5895-00-729-5479
NSN 5999-00-145-7783
NSN 5990-01-345-1468
NSN 6130-01-452-8504
NSN 6130-01-338-8577
NSN 5915-01-157-9502
NSN 6610-01-240-9690
NSN 6685-01-510-9575
NSN 5965-00-362-2158
NSN 5960-01-243-0007
NSN 6135-00-223-9563