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 5895-00-159-1237
NSN 5935-01-121-7833
NSN 6650-01-579-3855
NSN 5950-01-508-3947
NSN 5910-01-148-9127
NSN 5920-00-216-8665
NSN 5960-01-261-6753
NSN 5965-00-791-0964
NSN 5998-01-565-1004
NSN 6610-01-648-4460
NSN 6130-01-282-7727
NSN 5930-01-548-6997