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 5990-00-991-2035
NSN 5930-01-434-6931
NSN 6685-00-711-0616
NSN 6685-00-720-3525
NSN 5998-01-210-3390
NSN 6645-01-407-0204
NSN 7035-01-473-3223
NSN 5996-01-260-7371
NSN 6685-01-242-5827
NSN 5895-01-621-8163
NSN 6110-00-467-7151
NSN 5990-00-101-0065