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 5999-01-311-9441
NSN 6320-01-425-1417
NSN 6320-00-731-6134
NSN 5998-00-925-3792
NSN 7035-01-546-2769
NSN 5855-01-575-4439
NSN 6110-01-338-6746
NSN 6620-01-316-2248
NSN 5925-00-056-4635
NSN 6220-01-237-5999
NSN 5990-01-038-5020
NSN 5999-00-766-4647