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 5935-01-509-9980
NSN 6610-00-912-6374
NSN 6645-01-037-9125
NSN 5998-00-952-4994
NSN 6240-00-270-4698
NSN 6110-00-084-5371
NSN 5990-01-364-8405
NSN 5925-00-347-0566
NSN 5965-00-243-1243
NSN 6135-00-196-5267
NSN 5985-00-245-6548
NSN 5835-00-733-9145