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 5960-01-278-8915
NSN 2925-01-201-3043
NSN 5990-01-555-6616
NSN 7035-00-931-9415
NSN 6240-00-855-4518
NSN 6145-01-202-8478
NSN 5930-01-218-2368
NSN 5950-01-577-0001
NSN 6320-01-140-9343
NSN 6130-00-433-6264
NSN 5895-01-303-0799
NSN 5965-00-542-7124