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 6645-01-113-2525
NSN 5975-01-429-3827
NSN 6150-01-139-5283
NSN 5930-01-643-5755
NSN 5998-00-185-8107
NSN 6130-01-031-3014
NSN 6240-01-200-7937
NSN 5945-00-850-2844
NSN 5960-00-081-9255
NSN 5990-00-056-3177
NSN 6620-00-610-1272
NSN 5990-00-932-3070