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 4140-01-370-2588
NSN 6240-01-406-5345
NSN 5925-01-613-2453
NSN 6240-00-422-1278
NSN 6610-01-155-4060
NSN 5915-01-446-7238
NSN 5930-01-508-4564
NSN 6105-01-577-0014
NSN 6645-01-209-5520
NSN 5960-01-498-0572
NSN 5985-00-135-4762
NSN 5975-00-501-4924