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 5998-01-063-7914
NSN 6145-01-521-3924
NSN 5915-01-567-8298
NSN 6645-00-226-2270
NSN 5996-01-459-8014
NSN 6135-01-116-3385
NSN 6135-01-361-9297
NSN 5895-01-106-8481
NSN 2925-00-546-3129
NSN 5975-01-484-5991
NSN 5960-01-048-0975
NSN 6620-01-088-1272