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 5945-01-260-3792
NSN 5920-01-648-1983
NSN 5998-00-755-4793
NSN 6135-01-045-1504
NSN 5905-01-378-7061
NSN 7035-01-647-1561
NSN 6105-01-565-1443
NSN 6320-01-429-9871
NSN 5920-00-134-5713
NSN 6620-01-478-2962
NSN 5930-00-620-3183
NSN 5990-00-052-3143