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 6145-01-179-6630
NSN 4140-00-654-9146
NSN 6145-01-592-8308
NSN 6620-00-421-0465
NSN 5910-01-206-2430
NSN 5996-01-290-4844
NSN 5930-00-753-7890
NSN 7035-01-369-1445
NSN 6145-01-191-1529
NSN 5960-01-231-9119
NSN 4140-00-120-1203
NSN 5835-01-100-3265