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 6650-00-610-3956
NSN 6130-01-369-1188
NSN 2925-00-918-0859
NSN 5835-01-508-2528
NSN 5905-01-403-2806
NSN 6220-01-655-8981
NSN 4140-01-634-0330
NSN 5985-01-064-0037
NSN 5950-00-723-7003
NSN 5905-01-544-8535
NSN 5855-01-607-6521
NSN 6645-01-179-0243