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 6645-01-212-9474
NSN 6645-01-066-3176
NSN 5925-00-870-9905
NSN 5895-00-916-5335
NSN 6645-01-413-8003
NSN 6240-00-643-4532
NSN 5960-00-644-4982
NSN 5905-01-159-9507
NSN 6135-01-219-8612
NSN 5915-00-185-5355
NSN 5855-01-634-0259
NSN 6320-01-206-6465