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 6240-01-574-3557
NSN 6145-00-621-0225
NSN 5999-00-177-1791
NSN 5945-01-039-6486
NSN 6145-00-973-9202
NSN 6645-01-289-6298
NSN 5990-01-478-8638
NSN 6130-00-455-9911
NSN 5998-00-823-8488
NSN 6135-01-168-2944
NSN 7035-00-797-2635
NSN 5945-01-654-6586