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 6320-01-006-6138
NSN 5905-01-574-1648
NSN 6145-01-594-2389
NSN 6105-01-344-1359
NSN 6610-01-289-5784
NSN 6645-01-442-4032
NSN 6145-00-225-8709
NSN 5915-00-615-6146
NSN 5975-00-157-9676
NSN 4140-01-481-3374
NSN 6145-00-539-9799
NSN 5945-01-370-4362