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 6650-01-632-3135
NSN 5945-01-380-9614
NSN 6220-00-836-1494
NSN 5998-01-603-4509
NSN 6145-00-126-1606
NSN 5996-01-579-4849
NSN 6135-01-215-1245
NSN 5915-01-340-0650
NSN 5975-01-117-0592
NSN 6130-00-883-4797
NSN 5998-00-602-8284
NSN 6645-00-527-7258