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 6320-01-453-2358
NSN 5990-00-177-2924
NSN 5915-01-095-6899
NSN 5905-01-485-7470
NSN 5998-00-804-2257
NSN 6145-00-683-1169
NSN 5950-01-054-0769
NSN 6320-00-194-4252
NSN 5930-01-009-4366
NSN 5835-01-089-0042
NSN 5985-01-252-9281
NSN 5915-01-070-8470