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 6105-01-454-2948
NSN 6145-01-437-9078
NSN 5975-00-715-3710
NSN 5996-00-701-5819
NSN 5925-01-179-4774
NSN 5945-01-270-9394
NSN 5950-00-648-7193
NSN 5990-01-328-2385
NSN 5965-00-253-1302
NSN 5975-01-014-4648
NSN 6320-01-207-0636
NSN 6240-01-508-5052