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 5855-01-530-4147
NSN 6620-01-020-4526
NSN 5998-01-250-1664
NSN 6240-01-218-5187
NSN 6145-01-477-4320
NSN 6650-01-279-0658
NSN 6135-01-328-6583
NSN 6135-00-542-6216
NSN 5945-00-941-5003
NSN 5835-00-223-7235
NSN 4140-01-286-8852
NSN 6130-01-035-7336