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 5920-01-353-4050
NSN 5910-01-514-7309
NSN 5960-01-407-1350
NSN 6150-01-205-8218
NSN 6130-01-195-8728
NSN 5930-01-602-8635
NSN 6105-00-007-0424
NSN 6620-01-148-1675
NSN 5895-00-133-5163
NSN 5905-01-592-3463
NSN 5835-01-446-6065
NSN 5920-01-223-6214