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 6610-01-449-8906
NSN 5965-01-116-1886
NSN 4140-00-610-5169
NSN 5910-01-299-6605
NSN 6645-00-044-7011
NSN 6150-01-265-8397
NSN 5905-01-201-2637
NSN 5999-01-591-9557
NSN 5998-01-168-3056
NSN 5985-01-485-4672
NSN 5975-00-040-2363
NSN 4140-01-255-8664