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 6150-01-446-9740
NSN 6105-00-275-0826
NSN 7035-01-359-7460
NSN 5950-01-341-8078
NSN 5935-00-188-8192
NSN 5950-01-475-6148
NSN 6105-00-353-5594
NSN 6105-01-425-7419
NSN 5945-01-574-5895
NSN 5925-01-398-0013
NSN 6130-01-425-1459
NSN 6645-01-180-3775