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 5998-01-341-1184
NSN 6645-00-702-4386
NSN 6220-01-192-5423
NSN 5925-01-335-6463
NSN 5945-01-164-6119
NSN 6105-01-211-0006
NSN 5925-00-067-3814
NSN 7035-01-557-7142
NSN 5960-01-381-7725
NSN 7035-01-582-6442
NSN 5930-01-386-3068
NSN 5930-01-454-0737