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 6135-01-056-4609
NSN 6240-01-012-2180
NSN 7035-00-517-8232
NSN 5835-01-628-1748
NSN 7035-00-275-5604
NSN 7035-01-558-9086
NSN 5950-01-058-4845
NSN 5935-01-329-1038
NSN 6220-01-497-7229
NSN 6650-01-619-5129
NSN 5905-01-076-5665
NSN 5985-00-932-5333