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 5855-00-300-1873
NSN 6240-01-370-5242
NSN 6135-00-461-3590
NSN 4140-00-249-5603
NSN 2925-01-443-1748
NSN 5855-01-435-1616
NSN 6105-00-660-8882
NSN 5990-00-498-5934
NSN 5999-00-648-0062
NSN 5950-01-323-7764
NSN 5920-00-209-0443
NSN 4140-01-582-1539