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 5945-00-145-9802
NSN 4140-00-451-6132
NSN 6130-01-423-8338
NSN 5925-01-450-1808
NSN 6620-01-069-0912
NSN 6240-01-377-5503
NSN 6320-00-405-2348
NSN 5930-00-597-1463
NSN 5915-01-338-1215
NSN 5965-00-498-8177
NSN 6645-00-574-9712
NSN 6135-01-196-7399