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 5975-00-777-8171
NSN 4140-01-113-7611
NSN 6610-01-145-2569
NSN 5930-01-353-2456
NSN 6645-01-393-5128
NSN 6130-00-932-1591
NSN 5910-01-468-1112
NSN 6650-01-166-5025
NSN 5950-00-406-6498
NSN 6220-01-171-9557
NSN 6645-01-542-6159
NSN 5895-00-988-1842