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 5960-01-472-9562
NSN 5960-01-586-5235
NSN 6130-01-610-6385
NSN 6650-01-376-6965
NSN 5945-01-418-4315
NSN 6610-01-029-8749
NSN 5855-00-237-4088
NSN 6685-01-225-7963
NSN 5996-01-274-3980
NSN 6685-01-389-9394
NSN 6645-01-205-0549
NSN 5835-01-247-2634