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 5905-00-379-4658
NSN 5920-01-408-9694
NSN 5855-01-452-5398
NSN 5945-01-140-0924
NSN 5895-00-232-9451
NSN 6320-00-593-0379
NSN 6135-01-596-3145
NSN 5855-00-548-4742
NSN 5930-01-473-0924
NSN 5925-01-583-4410
NSN 5950-01-594-3131
NSN 6220-01-317-8070