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 5990-00-797-7649
NSN 5925-00-189-4524
NSN 5905-01-393-3585
NSN 5945-01-281-5587
NSN 5999-00-339-3005
NSN 5960-00-815-6072
NSN 5945-01-367-6469
NSN 5930-01-560-3025
NSN 6105-01-437-8875
NSN 6110-01-441-4091
NSN 6610-00-911-2581
NSN 6645-01-265-2746