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 5930-01-235-6679
NSN 6620-01-197-5436
NSN 6110-01-158-7037
NSN 5960-01-522-0391
NSN 6320-00-228-5678
NSN 5999-00-999-7612
NSN 6105-00-987-7935
NSN 6645-01-400-2119
NSN 6150-00-263-3451
NSN 6220-01-472-0538
NSN 5935-00-076-5420
NSN 6610-00-386-4745