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 5930-01-207-0082
NSN 5915-00-957-9743
NSN 2925-00-008-5485
NSN 6320-00-343-1798
NSN 4140-01-400-3610
NSN 6135-01-449-0625
NSN 6240-01-142-8923
NSN 6110-00-283-0178
NSN 5998-00-942-7934
NSN 6130-00-471-5067
NSN 6650-01-622-0706
NSN 6610-00-340-2430