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 5996-01-570-9022
NSN 6620-01-426-2220
NSN 2925-01-386-7392
NSN 5930-01-429-7480
NSN 7035-01-177-2807
NSN 6645-00-906-9892
NSN 5925-00-284-3726
NSN 5945-01-493-5562
NSN 5925-00-227-0396
NSN 5930-01-083-9453
NSN 6220-01-371-9905
NSN 6145-01-119-9040