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 6645-01-457-8642
NSN 5985-01-583-1778
NSN 5915-00-314-0832
NSN 5965-01-540-0743
NSN 2925-00-605-8520
NSN 5990-01-442-3520
NSN 5975-01-466-5052
NSN 5935-01-560-4865
NSN 6320-01-501-7935
NSN 5945-00-767-4875
NSN 6110-00-369-1586
NSN 5930-01-629-0094