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 5920-01-133-8362
NSN 6650-01-200-7657
NSN 5975-01-655-4265
NSN 6610-00-827-8959
NSN 6620-01-174-0308
NSN 6220-01-104-9679
NSN 6685-01-407-6445
NSN 6150-01-367-6058
NSN 6240-01-474-5446
NSN 5925-01-432-7603
NSN 6145-00-443-5488
NSN 6320-01-582-6668