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 2925-00-056-7112
NSN 5996-01-251-0249
NSN 5935-01-108-7633
NSN 6145-01-197-6921
NSN 6645-00-253-3906
NSN 5990-00-312-6787
NSN 6650-00-935-4247
NSN 6620-00-329-9474
NSN 5835-01-531-0379
NSN 7035-00-585-2113
NSN 6145-01-517-6451
NSN 5998-01-530-7041