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 5960-01-588-1441
NSN 4140-00-648-3303
NSN 6610-00-244-2816
NSN 6130-01-024-5839
NSN 6645-00-810-7229
NSN 6620-00-887-3451
NSN 5999-01-418-6165
NSN 6105-00-850-0112
NSN 6105-01-216-0930
NSN 5996-01-293-3078
NSN 6240-00-635-9953
NSN 5999-01-250-9571