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 6105-00-724-4959
NSN 5985-00-105-3697
NSN 6685-00-839-8623
NSN 2925-01-633-4048
NSN 6105-00-960-6327
NSN 6320-01-397-9995
NSN 6240-01-087-8328
NSN 6240-00-099-8606
NSN 6320-00-149-7570
NSN 6645-00-538-2904
NSN 5975-01-568-5900
NSN 5910-00-432-0268