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 6240-01-521-4256
NSN 5990-00-170-9553
NSN 6110-01-378-8530
NSN 5895-01-365-2721
NSN 6240-01-490-5054
NSN 6320-01-513-9166
NSN 6110-00-888-3009
NSN 6620-01-444-4048
NSN 5925-00-280-2273
NSN 5925-00-451-8684
NSN 2925-01-218-5556
NSN 5905-01-476-8224