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 6650-00-527-7451
NSN 5920-01-111-7178
NSN 5996-01-227-0767
NSN 6145-00-582-1301
NSN 6150-01-349-5716
NSN 5915-00-723-5238
NSN 5945-01-194-9592
NSN 6320-01-330-8054
NSN 5920-01-131-9714
NSN 5915-01-062-8673
NSN 6685-01-342-2076
NSN 6135-01-555-4283