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 6610-01-416-0652
NSN 6105-00-132-7895
NSN 5985-01-093-4471
NSN 5998-01-550-7339
NSN 2925-01-280-1911
NSN 5895-01-099-0491
NSN 6105-01-052-2850
NSN 6105-01-388-3165
NSN 5960-01-632-6576
NSN 4140-00-660-8699
NSN 4140-01-383-9736
NSN 5905-01-008-8699