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 5950-00-068-0657
NSN 6645-00-954-4065
NSN 5895-01-173-1476
NSN 5960-00-802-0519
NSN 5935-01-654-3125
NSN 5998-01-661-0645
NSN 5990-00-459-5752
NSN 5998-00-925-3792
NSN 2925-01-175-1217
NSN 5925-00-466-7308
NSN 5985-01-364-0530
NSN 4140-01-221-7636