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 6620-01-296-9803
NSN 5985-00-779-9130
NSN 5925-01-447-1638
NSN 6130-01-244-9347
NSN 5996-01-251-4900
NSN 5985-01-141-6801
NSN 6620-01-241-0538
NSN 6145-01-177-6337
NSN 5945-01-545-4913
NSN 5925-00-977-5843
NSN 5990-01-082-3807
NSN 6220-01-408-5103