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 5910-01-506-7634
NSN 6135-01-366-9633
NSN 6110-00-111-3559
NSN 6620-01-028-0504
NSN 5985-00-613-8444
NSN 6135-00-073-8939
NSN 5999-01-289-4244
NSN 6620-01-275-9777
NSN 6610-00-081-2365
NSN 5920-01-132-4794
NSN 5905-00-131-9729
NSN 5965-00-051-6434