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 5950-01-231-5860
NSN 5945-01-229-2798
NSN 5960-01-632-6576
NSN 6110-00-864-0947
NSN 6320-01-299-4749
NSN 4140-00-608-5654
NSN 5950-01-287-8493
NSN 6620-00-346-0331
NSN 6220-00-177-3086
NSN 5950-01-651-8384
NSN 5905-01-329-8001
NSN 5999-01-167-8609