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 6240-01-465-4443
NSN 5925-01-268-5275
NSN 6110-01-310-4986
NSN 2925-00-450-7783
NSN 4140-00-508-3206
NSN 7035-01-140-2019
NSN 6130-01-270-6325
NSN 6620-00-948-6751
NSN 5915-01-207-0868
NSN 6145-01-323-6509
NSN 5935-00-080-8251
NSN 6135-00-444-1402