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 6135-00-461-3590
NSN 6220-00-316-2500
NSN 5990-00-268-9089
NSN 5935-00-408-8580
NSN 5998-01-150-1465
NSN 6620-01-443-1214
NSN 5925-01-050-8410
NSN 4140-01-422-7319
NSN 6610-01-109-4841
NSN 5930-01-086-7745
NSN 6685-01-500-0395
NSN 5945-01-016-7349