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 5945-00-645-2309
NSN 6220-00-299-6151
NSN 6240-01-038-6618
NSN 6220-00-936-2289
NSN 5935-01-208-2723
NSN 5930-01-136-4786
NSN 5975-01-447-5813
NSN 5835-00-003-0295
NSN 5998-00-237-9375
NSN 4140-01-158-9515
NSN 5930-01-268-7727
NSN 6240-01-620-2450