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 6620-00-498-7781
NSN 6150-01-418-3366
NSN 5930-01-360-5094
NSN 6610-00-008-0217
NSN 5990-00-983-1813
NSN 6105-01-295-9263
NSN 5905-01-497-8149
NSN 5996-01-425-0654
NSN 6610-00-589-5108
NSN 6320-01-177-3192
NSN 6650-01-365-4286
NSN 6650-01-365-9306