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 5935-01-486-1721
NSN 6685-01-445-5811
NSN 5975-00-779-1440
NSN 6145-01-453-3410
NSN 5999-01-280-5496
NSN 2925-01-407-3437
NSN 5835-01-274-1035
NSN 4140-01-525-4511
NSN 5960-00-010-5300
NSN 6130-01-512-1151
NSN 7035-01-334-5855
NSN 6620-00-028-3370