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 7035-00-126-1899
NSN 5965-00-439-6287
NSN 6620-01-426-2220
NSN 5835-01-478-9428
NSN 5985-01-224-7522
NSN 2925-01-035-1096
NSN 5998-00-834-7122
NSN 5965-00-931-8446
NSN 5990-01-491-1397
NSN 5975-01-286-3294
NSN 5920-01-317-9321
NSN 6145-00-414-5315