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 6110-01-241-5785
NSN 5998-00-341-6504
NSN 5975-00-471-8431
NSN 5975-01-191-1845
NSN 6135-01-555-4283
NSN 6240-01-011-5549
NSN 6620-01-131-6980
NSN 6610-00-118-4318
NSN 6240-01-604-9172
NSN 6105-00-527-2193
NSN 5999-01-107-0101
NSN 5998-00-893-6646