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 6645-00-171-9639
NSN 5965-01-513-9978
NSN 6220-01-500-2935
NSN 5835-01-328-6626
NSN 6150-00-412-8067
NSN 6620-00-578-5851
NSN 6620-01-318-4408
NSN 6150-00-291-1868
NSN 5975-01-624-4012
NSN 5996-00-930-8127
NSN 6240-01-495-1912
NSN 5895-01-310-7485