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 4140-01-534-3962
NSN 5905-00-456-0937
NSN 5990-00-146-3534
NSN 6110-00-936-2110
NSN 5905-00-989-1628
NSN 6130-01-479-8168
NSN 5930-01-153-9067
NSN 5996-00-187-8072
NSN 5950-00-244-4581
NSN 5985-00-773-6279
NSN 5915-01-633-9845
NSN 6320-01-648-5538