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 5930-01-204-1691
NSN 5895-01-018-9757
NSN 6645-00-809-3540
NSN 5925-00-908-2843
NSN 5965-01-463-2815
NSN 5910-01-177-5216
NSN 6610-00-582-1107
NSN 5985-01-486-7634
NSN 6135-01-544-8463
NSN 5950-01-485-2595
NSN 6145-00-591-6828
NSN 6320-00-790-4844