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 6645-01-036-5027
NSN 5950-01-224-2346
NSN 5975-01-041-1385
NSN 5930-00-893-9438
NSN 5905-01-093-8410
NSN 6150-00-089-7267
NSN 5945-00-083-8897
NSN 5915-00-141-0410
NSN 6135-00-449-9775
NSN 5945-01-428-6844
NSN 6130-01-479-0586
NSN 5998-01-215-2829