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 5930-00-690-2534
NSN 4140-01-574-3755
NSN 5905-00-155-4767
NSN 5895-00-114-3418
NSN 6110-00-081-6335
NSN 6620-00-053-9568
NSN 5935-00-004-8057
NSN 6320-00-456-0836
NSN 5855-01-067-8841
NSN 5945-00-389-7948
NSN 6220-00-823-6688
NSN 5935-01-599-0823