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 6685-01-484-7485
NSN 6320-00-343-1798
NSN 6620-01-391-1920
NSN 5990-01-400-3299
NSN 6150-00-798-5943
NSN 7035-01-146-7096
NSN 6610-00-995-6266
NSN 5905-01-023-5829
NSN 5960-01-503-8411
NSN 6130-01-222-7250
NSN 5999-00-860-0832
NSN 2925-01-632-5913