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 5975-01-518-5061
NSN 6110-01-359-8715
NSN 5855-01-590-6240
NSN 5999-00-171-1347
NSN 2925-00-110-6180
NSN 5985-01-512-1867
NSN 7035-00-455-7666
NSN 4140-01-116-4604
NSN 5975-00-987-8829
NSN 4140-01-105-3036
NSN 5920-01-020-7659
NSN 5998-01-542-6061