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 5985-00-270-8456
NSN 5855-00-307-0670
NSN 5996-00-865-3513
NSN 5960-01-495-0859
NSN 6645-00-547-4388
NSN 7035-01-633-9537
NSN 5965-00-275-0491
NSN 5930-01-532-2178
NSN 4140-00-794-2960
NSN 6130-00-265-1765
NSN 6105-01-574-2126
NSN 6105-01-167-9229