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 5975-00-983-5239
NSN 4140-01-202-9563
NSN 5935-01-043-2457
NSN 5996-01-030-8353
NSN 6150-01-437-9785
NSN 6320-00-521-9350
NSN 6130-01-604-9288
NSN 6145-01-200-4659
NSN 5935-00-823-5322
NSN 6650-01-604-9315
NSN 5950-01-200-6359
NSN 6645-01-125-6811