A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6320-00-403-6003
NSN 6645-01-526-5989
NSN 6130-00-419-3642
NSN 6135-01-398-5922
NSN 5960-01-367-0981
NSN 6620-00-220-2157
NSN 6220-01-465-6405
NSN 5975-00-150-6400
NSN 4140-00-918-7837
NSN 5930-00-876-1054
NSN 5990-01-259-7138
NSN 5895-01-469-7580