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 5998-01-483-2001
NSN 6220-01-197-5668
NSN 6105-00-707-7498
NSN 6130-01-617-3285
NSN 6620-00-581-8984
NSN 7035-01-457-5645
NSN 5999-01-479-9243
NSN 6610-01-122-0064
NSN 6220-01-653-7465
NSN 6620-01-355-8904
NSN 6135-01-265-1384
NSN 6610-00-816-4998