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 5990-00-842-0781
NSN 6135-01-364-0667
NSN 5960-01-163-8905
NSN 7035-01-385-3628
NSN 5960-01-498-0572
NSN 5920-01-451-5742
NSN 5910-00-513-9782
NSN 6645-01-633-1852
NSN 6650-00-450-8847
NSN 5855-01-657-7657
NSN 6240-01-048-3330
NSN 5895-01-062-0002