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 5965-00-906-1442
NSN 5910-00-435-9695
NSN 6320-01-425-1417
NSN 5965-00-225-1848
NSN 5835-01-493-1826
NSN 2925-00-459-4519
NSN 5855-01-577-8718
NSN 6645-00-825-5677
NSN 6150-00-130-8275
NSN 6645-01-192-4079
NSN 7035-00-238-3662
NSN 6135-00-321-6707