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 6645-01-154-8231
NSN 5935-00-118-1060
NSN 5945-01-651-6774
NSN 5915-01-418-6166
NSN 6105-00-785-3981
NSN 5990-01-081-3845
NSN 5998-00-239-6212
NSN 6135-01-045-1504
NSN 6240-01-185-5538
NSN 6150-00-505-2804
NSN 6685-01-330-7330
NSN 5930-00-675-6178