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 5999-01-579-6338
NSN 5996-01-174-0830
NSN 5985-01-479-8399
NSN 2925-01-463-8856
NSN 6620-00-248-6950
NSN 4140-00-529-0844
NSN 5996-01-212-9078
NSN 5960-01-477-7632
NSN 6135-01-504-4309
NSN 5855-00-149-0766
NSN 5965-00-207-6085
NSN 6320-01-512-2031