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 5930-01-363-8210
NSN 2925-00-078-0525
NSN 5905-01-134-1507
NSN 6685-01-631-2998
NSN 5990-01-183-0765
NSN 6240-01-130-7393
NSN 4140-01-493-6901
NSN 5996-00-605-8496
NSN 5945-01-025-9810
NSN 6150-00-655-1447
NSN 6130-00-498-2677
NSN 5925-00-660-7589