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 5996-00-133-4321
NSN 5925-01-338-1465
NSN 6110-01-437-7452
NSN 5960-01-276-7836
NSN 6645-01-440-5500
NSN 5975-01-465-5059
NSN 5998-01-099-5202
NSN 6145-01-432-0899
NSN 5985-01-132-5516
NSN 5998-00-903-9182
NSN 6105-00-596-7099
NSN 6645-00-435-5610