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 6320-01-422-1212
NSN 5990-01-128-7599
NSN 5935-00-328-8977
NSN 6105-01-127-5663
NSN 5965-01-426-4059
NSN 5915-01-633-9845
NSN 6320-00-089-9425
NSN 5950-00-420-9390
NSN 5910-01-073-0710
NSN 6320-01-064-0372
NSN 5855-01-503-1495
NSN 7035-01-102-8111