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 6685-00-414-6564
NSN 5990-00-085-4299
NSN 6220-01-527-0492
NSN 6110-01-196-5496
NSN 6610-00-321-3462
NSN 6105-00-763-4127
NSN 5990-01-290-4787
NSN 6650-01-227-6032
NSN 5998-01-357-7161
NSN 5960-01-502-6270
NSN 6645-01-154-3080
NSN 6110-01-538-3790