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 5905-01-319-8474
NSN 6220-00-915-0862
NSN 4140-01-012-2460
NSN 7035-00-445-9657
NSN 5855-01-085-5354
NSN 6620-01-088-1272
NSN 5915-01-571-3925
NSN 5920-01-393-9804
NSN 6240-01-605-1799
NSN 5999-00-100-5761
NSN 4140-01-519-9343
NSN 5910-00-655-0702