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 5925-01-298-1989
NSN 5915-00-139-2615
NSN 6220-01-470-8761
NSN 5935-00-491-7610
NSN 5930-01-452-5697
NSN 5990-01-604-0862
NSN 5990-00-836-6999
NSN 6135-01-579-3534
NSN 6320-00-676-9387
NSN 5985-00-241-2496
NSN 6240-01-317-5747
NSN 6110-01-460-2753