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 5835-01-023-8733
NSN 5990-01-242-4493
NSN 6645-01-485-3517
NSN 6105-01-318-2513
NSN 5990-01-514-8708
NSN 5996-01-607-5845
NSN 2925-00-837-3948
NSN 5915-01-497-7013
NSN 5925-01-439-2867
NSN 5999-00-364-0769
NSN 6135-01-554-1842
NSN 5910-00-836-4646