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 5915-01-135-5677
NSN 5855-01-508-2895
NSN 2925-00-813-3971
NSN 6620-00-531-2974
NSN 7035-00-420-8318
NSN 2925-00-545-2285
NSN 6650-01-244-1573
NSN 6320-01-506-9439
NSN 4140-01-449-1715
NSN 6145-01-500-7935
NSN 5910-01-535-7501
NSN 5990-00-844-5659