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 5945-01-043-4939
NSN 5965-01-406-3156
NSN 5910-01-069-2190
NSN 5905-01-242-2631
NSN 5910-01-585-1701
NSN 6620-00-992-8436
NSN 5930-00-954-3228
NSN 6220-01-347-2637
NSN 6220-01-432-0089
NSN 5930-01-391-7126
NSN 5996-01-273-3934
NSN 6610-01-141-6343