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 6130-00-446-6922
NSN 5930-00-462-8154
NSN 5960-01-030-5345
NSN 5950-00-508-9599
NSN 6240-00-826-8426
NSN 6620-01-605-2590
NSN 5945-01-533-7532
NSN 6135-01-651-7287
NSN 4140-01-398-7330
NSN 5905-00-480-3260
NSN 7035-00-043-1325
NSN 2925-01-368-1333