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 5905-00-175-4381
NSN 5950-01-280-5469
NSN 6685-01-080-7029
NSN 5925-00-912-2774
NSN 6110-01-021-4070
NSN 5945-01-610-2717
NSN 7035-01-617-0072
NSN 5945-00-143-4422
NSN 5930-01-429-0277
NSN 6320-00-456-0836
NSN 5920-00-150-1148
NSN 5945-00-948-6446