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 4140-00-499-8330
NSN 5998-01-224-0847
NSN 5925-01-054-3453
NSN 6650-01-537-5388
NSN 5965-00-275-0491
NSN 5950-01-068-6750
NSN 5905-01-232-0836
NSN 6145-00-963-3944
NSN 5905-00-240-5640
NSN 5855-01-304-3064
NSN 6650-01-097-6814
NSN 6320-00-925-0558