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 6135-01-431-6801
NSN 6145-00-393-4083
NSN 6110-00-099-6890
NSN 5895-01-314-7644
NSN 6110-00-986-8993
NSN 5999-01-634-0576
NSN 5905-01-589-6678
NSN 6620-00-067-4946
NSN 5960-01-320-9779
NSN 5990-00-518-0684
NSN 5998-01-221-0647
NSN 5910-00-222-6268