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 5905-00-207-3946
NSN 5999-01-340-4361
NSN 5915-01-337-5164
NSN 5945-00-267-1458
NSN 4140-01-056-3654
NSN 5835-01-123-8305
NSN 5975-01-478-2925
NSN 5855-01-443-0381
NSN 5945-00-834-3364
NSN 5930-01-557-7147
NSN 6645-00-754-4108
NSN 5985-00-594-8824