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 4140-01-634-0330
NSN 6105-00-398-4673
NSN 5895-00-840-3776
NSN 5915-01-411-6202
NSN 5950-00-850-8716
NSN 5975-01-098-9133
NSN 6240-00-235-5159
NSN 6685-00-950-8176
NSN 5950-00-741-1894
NSN 5920-00-869-6403
NSN 6220-01-451-3056
NSN 5930-01-159-2613