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 5960-00-224-6828
NSN 4140-00-528-2921
NSN 5990-01-463-0953
NSN 6110-01-567-0775
NSN 5975-01-545-7176
NSN 6145-01-121-7620
NSN 5975-00-222-4109
NSN 5985-00-492-7921
NSN 5998-01-306-8555
NSN 6145-00-963-3944
NSN 5910-01-620-6673
NSN 5920-01-512-2054