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 6130-01-353-0774
NSN 6620-01-058-6018
NSN 5910-00-701-1069
NSN 5835-00-177-2970
NSN 5910-01-456-9541
NSN 6150-00-167-8967
NSN 6145-01-052-4115
NSN 5925-01-323-6491
NSN 6145-01-487-1384
NSN 5905-01-580-6516
NSN 6130-01-536-5127
NSN 6320-01-019-1028