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 6145-00-213-9181
NSN 6620-01-155-4014
NSN 5950-01-435-6354
NSN 5920-00-008-7134
NSN 5895-01-227-5213
NSN 6130-01-039-0089
NSN 5960-00-845-4940
NSN 5998-00-969-9869
NSN 6650-01-558-8652
NSN 6130-01-576-8265
NSN 6130-01-307-3018
NSN 6110-01-147-2487