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 5855-01-088-8700
NSN 5990-00-386-4951
NSN 5998-00-007-7057
NSN 4140-01-421-7948
NSN 6620-00-239-0611
NSN 5999-01-357-7381
NSN 5999-01-378-8905
NSN 5965-00-691-9130
NSN 6320-01-052-2118
NSN 5960-00-165-3038
NSN 6130-00-834-6808
NSN 6240-00-309-7767