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 6620-01-431-9176
NSN 6135-01-278-9717
NSN 2925-01-623-9285
NSN 6150-01-629-6630
NSN 5985-01-556-7137
NSN 6610-01-325-9800
NSN 5835-00-339-3020
NSN 6105-00-079-0547
NSN 6650-01-264-4415
NSN 6240-01-360-0225
NSN 6130-01-079-5458
NSN 5930-00-260-4405