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 6240-01-092-3509
NSN 5998-01-196-6884
NSN 5925-00-345-7746
NSN 5945-00-864-1563
NSN 2925-01-446-6523
NSN 5910-00-109-4852
NSN 6150-00-886-4262
NSN 5945-00-841-7979
NSN 5935-01-240-1317
NSN 5910-01-415-9957
NSN 5950-01-438-6415
NSN 6105-01-027-1135