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 5855-00-079-2370
NSN 5996-01-320-8743
NSN 6105-00-844-9631
NSN 6145-01-502-9751
NSN 6620-01-456-0529
NSN 5965-00-553-6898
NSN 6320-01-476-7476
NSN 6105-01-064-0269
NSN 6135-01-167-7604
NSN 6135-01-388-2761
NSN 7035-01-315-9754
NSN 2925-01-516-9858