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 6150-01-103-5544
NSN 6320-01-612-7035
NSN 5835-01-545-6467
NSN 5950-00-933-9416
NSN 5998-00-931-7162
NSN 6220-01-367-2923
NSN 5998-00-031-3665
NSN 6620-01-023-2938
NSN 2925-01-381-5307
NSN 5915-01-451-4332
NSN 6135-00-196-5267
NSN 5905-01-199-9445