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 4140-00-833-6239
NSN 5855-00-361-0167
NSN 5835-01-412-0344
NSN 6620-00-308-2531
NSN 6130-01-432-7890
NSN 6645-01-485-3517
NSN 5945-00-020-2897
NSN 6650-00-976-2507
NSN 6150-01-266-8680
NSN 6320-01-372-2796
NSN 5998-01-141-7486
NSN 5965-00-916-9897