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 7035-00-946-2642
NSN 5945-01-348-5969
NSN 5998-01-571-8105
NSN 5990-01-386-3040
NSN 6130-01-578-3322
NSN 6650-00-095-6490
NSN 5985-01-463-8562
NSN 6610-01-213-3024
NSN 6650-01-354-7505
NSN 4140-01-204-7025
NSN 6645-01-353-6863
NSN 5945-01-225-0663