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 6320-00-336-5570
NSN 6685-01-306-2562
NSN 5965-00-913-9545
NSN 6105-01-267-5063
NSN 6685-01-018-6401
NSN 5985-00-279-8507
NSN 5920-01-325-7118
NSN 5925-01-144-9135
NSN 5975-01-150-4391
NSN 6320-01-278-9832
NSN 6645-01-645-9117
NSN 7035-00-585-2113