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 5985-01-258-4769
NSN 4140-01-196-7490
NSN 5985-01-341-9752
NSN 6320-01-185-3857
NSN 7035-01-302-5359
NSN 6130-00-999-4448
NSN 5905-01-501-6363
NSN 6145-00-266-8453
NSN 6135-01-551-0562
NSN 6610-01-474-8520
NSN 6220-01-360-4530
NSN 5990-01-510-4699