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 6320-01-307-6505
NSN 6150-01-444-1012
NSN 6240-01-651-8628
NSN 2925-00-041-0439
NSN 4140-00-726-8032
NSN 6150-00-263-2182
NSN 6150-00-243-9531
NSN 6240-01-481-7396
NSN 2925-01-197-7864
NSN 4140-00-203-4844
NSN 6320-01-173-7950
NSN 5925-01-316-5734