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 5935-00-170-8480
NSN 4140-00-580-8508
NSN 5915-01-317-3158
NSN 6105-00-268-2878
NSN 7035-00-541-8516
NSN 2925-00-240-7820
NSN 6240-01-062-1684
NSN 5990-01-598-8769
NSN 6240-01-119-9292
NSN 6135-01-475-7415
NSN 5925-00-461-1512
NSN 6645-00-102-0015