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 6645-01-408-6568
NSN 4140-00-295-0787
NSN 6135-01-544-8463
NSN 6130-00-883-9333
NSN 5910-00-615-0998
NSN 5835-00-567-7887
NSN 5999-01-054-4359
NSN 6150-00-451-4984
NSN 5945-01-561-7211
NSN 6685-00-618-9542
NSN 5996-00-518-0460
NSN 6620-01-230-8064