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 5999-00-844-9166
NSN 2925-00-251-0105
NSN 6130-01-484-7191
NSN 5960-00-241-2911
NSN 5835-01-157-5886
NSN 6240-01-089-6149
NSN 5960-00-269-4762
NSN 6135-01-359-4293
NSN 5930-01-477-1750
NSN 6620-01-389-9281
NSN 5920-01-131-6436
NSN 5935-00-643-6652