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 5915-01-391-3143
NSN 5996-00-188-7063
NSN 6135-01-329-7994
NSN 5975-01-317-7632
NSN 5855-00-118-8762
NSN 5935-01-385-9119
NSN 5920-01-214-0451
NSN 5915-01-113-0393
NSN 6320-01-171-3238
NSN 6610-00-932-2465
NSN 5985-01-452-6610
NSN 5925-00-877-8066