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 5998-01-656-5554
NSN 6645-01-521-3180
NSN 5965-01-209-2838
NSN 4140-01-515-7294
NSN 5965-00-309-4814
NSN 6135-01-231-4809
NSN 6135-00-112-8637
NSN 6145-01-594-2389
NSN 6145-01-486-4247
NSN 5910-00-269-4755
NSN 5975-01-217-8545
NSN 6110-00-069-2942