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 6650-00-890-0480
NSN 6240-01-068-3491
NSN 5895-01-653-9622
NSN 6145-01-491-7530
NSN 7035-01-322-9239
NSN 5905-01-482-8923
NSN 5930-01-559-4388
NSN 6240-01-449-2883
NSN 5915-00-071-7673
NSN 5930-00-538-7547
NSN 5835-01-302-2745
NSN 6620-01-446-7290