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 6320-00-456-2092
NSN 6150-01-347-1041
NSN 5905-01-063-6415
NSN 6320-00-194-4252
NSN 5910-01-012-8181
NSN 5945-01-086-1669
NSN 5945-00-456-0699
NSN 4140-00-895-9624
NSN 5895-01-592-8457
NSN 5855-01-656-3256
NSN 5930-01-243-1527
NSN 6320-01-340-4112