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 5920-01-564-3605
NSN 5915-01-633-9845
NSN 5950-00-171-1888
NSN 6130-01-274-0861
NSN 6645-01-052-4069
NSN 6650-00-620-0212
NSN 5935-00-646-6626
NSN 6620-01-010-7337
NSN 6150-01-429-1236
NSN 6650-00-530-4277
NSN 6220-00-057-2236
NSN 5960-01-331-3817