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 5905-01-525-7909
NSN 2925-01-157-9204
NSN 5895-01-030-8045
NSN 6240-01-322-4887
NSN 5950-01-420-6528
NSN 5996-01-369-9209
NSN 6320-00-546-9249
NSN 5975-00-553-7151
NSN 5945-01-105-9425
NSN 6620-01-043-2595
NSN 5996-01-329-3408
NSN 5935-01-539-7248