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 5945-01-320-1660
NSN 5925-00-594-0840
NSN 5985-01-088-7337
NSN 5990-00-802-3060
NSN 5905-00-379-4658
NSN 6220-01-534-6695
NSN 5950-00-539-6729
NSN 6645-00-469-5963
NSN 5895-00-826-1694
NSN 6135-00-269-5843
NSN 5935-00-602-2385
NSN 5855-01-418-2962