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 4140-00-343-2121
NSN 6150-01-103-2261
NSN 5998-01-304-7678
NSN 5965-01-267-8536
NSN 5925-01-620-9002
NSN 5996-00-269-2655
NSN 5915-01-551-0745
NSN 5920-01-037-6801
NSN 6105-01-256-3359
NSN 6620-01-205-0320
NSN 5950-00-418-9918
NSN 6145-01-406-8024