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 5945-01-512-1533
NSN 6130-01-301-1783
NSN 6610-01-010-1746
NSN 5965-01-104-5102
NSN 5999-01-254-9700
NSN 6650-00-021-9555
NSN 5910-01-104-8412
NSN 5895-00-518-1593
NSN 6145-00-110-7459
NSN 2925-01-629-9416
NSN 5905-01-339-8549
NSN 5985-00-932-4257