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 5950-01-345-7569
NSN 5999-01-384-2058
NSN 6610-00-873-6461
NSN 6145-01-369-8025
NSN 6240-00-232-1093
NSN 5965-01-492-0274
NSN 6105-00-403-1392
NSN 6130-01-468-3360
NSN 6135-00-935-8769
NSN 6105-01-159-0050
NSN 6110-01-203-8830
NSN 6240-00-013-4764