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 6135-00-078-9931
NSN 6130-01-310-2906
NSN 5905-00-124-9915
NSN 6645-01-409-1529
NSN 5905-01-620-8943
NSN 5920-01-617-4311
NSN 5950-00-285-6419
NSN 5905-00-617-3432
NSN 5985-01-518-2788
NSN 5935-01-099-9671
NSN 5975-01-028-6522
NSN 6110-01-551-1129