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 5985-01-243-4085
NSN 5960-01-381-2478
NSN 5930-01-233-8601
NSN 5960-00-062-4906
NSN 5975-01-486-0481
NSN 4140-00-986-3361
NSN 6610-01-291-4173
NSN 5999-01-478-4780
NSN 6240-00-438-6999
NSN 6220-01-391-5323
NSN 5998-00-459-7472
NSN 6685-00-230-4267