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 5996-00-234-5778
NSN 5998-01-435-2306
NSN 6240-01-422-2760
NSN 5935-01-426-8969
NSN 5965-01-146-1311
NSN 7035-00-507-5380
NSN 6320-01-441-2438
NSN 4140-01-474-5701
NSN 4140-01-145-8823
NSN 5999-00-151-9955
NSN 6130-00-103-0193
NSN 6320-00-004-9158