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 6240-00-498-5971
NSN 5965-01-386-2988
NSN 5905-01-010-9909
NSN 5925-01-503-0394
NSN 6105-01-244-4803
NSN 5910-01-062-0518
NSN 6135-00-968-8594
NSN 6110-01-218-6485
NSN 7035-01-143-0355
NSN 5925-01-449-9058
NSN 5945-01-534-9923
NSN 2925-00-155-8091