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 6685-00-988-3444
NSN 6620-00-330-3728
NSN 6150-01-469-8558
NSN 5930-01-654-6310
NSN 6135-01-600-8345
NSN 5990-00-932-3070
NSN 5835-01-303-4677
NSN 6135-01-575-8362
NSN 6650-00-406-9467
NSN 5990-01-223-9414
NSN 5905-01-521-3839
NSN 5855-00-494-9581