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 6645-00-204-4100
NSN 6620-00-168-0308
NSN 5930-00-211-4316
NSN 5930-00-591-4875
NSN 5960-01-589-6846
NSN 6130-00-575-9721
NSN 5945-01-505-5842
NSN 6240-01-602-8238
NSN 6220-00-898-7311
NSN 5998-01-406-4616
NSN 5998-00-155-7737
NSN 5965-01-633-8849