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 6610-00-664-2190
NSN 6135-01-386-5709
NSN 5905-01-484-8910
NSN 5998-01-381-5193
NSN 2925-01-082-7248
NSN 5998-00-159-1288
NSN 5960-00-552-1940
NSN 6320-01-592-6248
NSN 5905-00-786-3846
NSN 6110-01-633-9660
NSN 6650-01-646-9740
NSN 5990-01-443-2931