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 6685-01-004-9356
NSN 6135-00-269-5843
NSN 6105-01-123-1937
NSN 6110-00-138-9520
NSN 5996-00-151-4462
NSN 5960-00-343-2888
NSN 5855-01-199-0150
NSN 6135-00-935-8769
NSN 6620-00-150-6514
NSN 7035-01-419-4317
NSN 5910-01-633-9963
NSN 5998-01-004-9363