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 5905-00-862-5020
NSN 5950-01-305-4092
NSN 5835-01-495-0595
NSN 5990-01-168-6797
NSN 5915-01-606-8296
NSN 6220-01-336-0130
NSN 5855-01-210-0503
NSN 6645-01-434-9993
NSN 6135-01-393-4746
NSN 6320-00-070-4544
NSN 5925-01-610-2103
NSN 5975-01-609-5711