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 6240-01-063-7685
NSN 6150-01-661-0387
NSN 5920-01-306-7442
NSN 6620-01-445-4295
NSN 5905-01-415-3674
NSN 5950-00-431-3619
NSN 6240-01-322-9387
NSN 5990-00-101-8318
NSN 6645-01-234-2856
NSN 5998-00-899-7002
NSN 6610-00-186-9180
NSN 5930-00-555-3007