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 5945-01-443-3423
NSN 5930-01-476-6758
NSN 5975-01-616-2938
NSN 6610-01-534-2147
NSN 4140-01-451-4180
NSN 6620-01-115-7016
NSN 5905-01-653-2077
NSN 6105-01-369-3603
NSN 6240-00-139-9222
NSN 5975-01-262-1593
NSN 6610-01-044-4740
NSN 7035-00-623-4744