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 6645-01-254-0490
NSN 5930-01-209-1014
NSN 6145-00-081-0299
NSN 6220-01-500-9927
NSN 5960-01-252-8821
NSN 2925-01-386-7392
NSN 6105-01-301-4678
NSN 5895-01-625-7077
NSN 5960-00-126-9669
NSN 6620-01-183-8959
NSN 6610-00-170-6715
NSN 6320-00-456-0836