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 6130-00-492-1390
NSN 6130-01-221-1673
NSN 6645-01-010-3746
NSN 6105-01-532-6252
NSN 6145-00-239-0947
NSN 4140-00-950-6951
NSN 5985-00-728-5562
NSN 6240-00-808-7909
NSN 5835-01-346-9575
NSN 6130-00-155-5873
NSN 5835-01-375-8930
NSN 5965-01-595-9498