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 5930-01-385-4671
NSN 6145-01-053-8018
NSN 5998-00-456-0864
NSN 5998-01-547-4396
NSN 6220-01-591-4996
NSN 6620-01-408-4464
NSN 5905-01-451-4205
NSN 5975-00-181-5825
NSN 6645-00-256-4072
NSN 7035-01-559-4902
NSN 5990-01-521-7890
NSN 6240-00-999-7806