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 5999-01-451-3583
NSN 5855-00-135-9064
NSN 5905-00-925-4557
NSN 5985-00-963-8948
NSN 7035-01-450-2289
NSN 5930-01-008-5832
NSN 6105-01-450-9402
NSN 5930-00-893-4801
NSN 6105-01-192-3049
NSN 6135-01-119-0720
NSN 5945-01-419-3227
NSN 6320-01-519-8767