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 5990-01-321-2997
NSN 6620-00-148-9613
NSN 6620-01-021-9768
NSN 6610-00-811-6072
NSN 6620-00-907-2670
NSN 5910-01-457-6012
NSN 5960-01-144-9183
NSN 5990-00-258-0228
NSN 5895-00-791-5275
NSN 5920-01-641-2084
NSN 6130-01-188-7266
NSN 7035-01-227-2546