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 5915-01-245-8157
NSN 5945-01-081-5930
NSN 6620-00-401-8489
NSN 6645-01-397-7277
NSN 4140-01-381-3221
NSN 6645-00-391-6264
NSN 5945-01-459-7700
NSN 7035-00-406-0568
NSN 5910-01-030-1773
NSN 4140-01-186-6453
NSN 6145-00-903-4619
NSN 5998-00-218-1360