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 5920-01-491-1905
NSN 5945-01-238-3996
NSN 5930-00-394-3890
NSN 5915-00-514-2098
NSN 5975-01-222-7522
NSN 6105-01-112-9976
NSN 5950-01-437-9848
NSN 6645-01-580-3258
NSN 6620-01-278-8028
NSN 6220-01-634-0660
NSN 6130-00-507-7493
NSN 6135-00-152-8729