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 5925-01-154-4189
NSN 5930-01-634-0659
NSN 5835-01-170-5537
NSN 5855-01-034-3845
NSN 5855-01-100-3272
NSN 5855-01-088-8700
NSN 5910-00-949-5308
NSN 5895-01-142-1785
NSN 6105-00-792-8099
NSN 5925-01-571-9963
NSN 6645-00-067-7070
NSN 7035-01-429-0431