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 5999-01-278-6635
NSN 5925-01-473-0807
NSN 5930-00-171-0141
NSN 6220-01-438-9584
NSN 5905-01-155-4908
NSN 5965-00-630-7872
NSN 6145-01-502-9150
NSN 6610-00-991-2343
NSN 5895-00-562-7387
NSN 6130-00-051-0810
NSN 5996-01-276-9420
NSN 2925-01-253-6006