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 5910-01-054-4223
NSN 6320-01-292-6635
NSN 5965-01-652-3131
NSN 6130-00-523-9210
NSN 5895-00-135-6998
NSN 5925-01-504-7731
NSN 5905-00-987-5520
NSN 5895-01-235-2371
NSN 4140-01-202-5600
NSN 2925-01-197-7864
NSN 6145-00-601-9655
NSN 6240-01-251-8435