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 5990-01-408-6554
NSN 6145-00-116-5597
NSN 6685-01-081-8704
NSN 6150-01-519-8294
NSN 6135-01-142-6456
NSN 5930-01-654-0776
NSN 5965-01-283-5711
NSN 6220-01-535-5181
NSN 4140-00-081-6814
NSN 5950-01-310-8811
NSN 5960-00-529-2704
NSN 6105-01-144-4467