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 2925-01-440-6146
NSN 6620-01-645-0802
NSN 4140-00-580-7038
NSN 5835-00-450-8347
NSN 6685-01-109-0117
NSN 6685-01-198-2633
NSN 6620-00-257-2783
NSN 5915-00-342-4861
NSN 5998-01-020-5535
NSN 5975-00-812-2429
NSN 6320-00-908-6841
NSN 6240-01-470-1111