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 6240-01-556-5808
NSN 6620-01-645-4148
NSN 5930-00-302-5293
NSN 5910-01-557-7597
NSN 5998-01-011-9418
NSN 7035-01-127-9019
NSN 6645-00-080-1087
NSN 6135-01-641-8640
NSN 6110-01-417-3261
NSN 6130-00-847-1641
NSN 6240-01-214-9201
NSN 5915-01-291-7838