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 6645-00-614-5302
NSN 5975-00-153-0050
NSN 6620-01-584-9653
NSN 6685-00-400-5803
NSN 6620-01-179-9737
NSN 6150-01-594-1496
NSN 5990-01-243-4233
NSN 5975-00-406-4753
NSN 7035-00-803-3056
NSN 6320-01-290-5271
NSN 6130-01-174-3365
NSN 5925-01-440-9364