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 5835-01-285-1897
NSN 5925-01-457-5668
NSN 5960-01-531-9108
NSN 5935-01-398-7726
NSN 5950-00-243-9040
NSN 6685-01-349-9114
NSN 6150-00-570-0600
NSN 5990-00-856-9208
NSN 5835-01-584-8538
NSN 5905-01-157-9857
NSN 6320-01-347-2638
NSN 5945-01-534-5781