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 5990-00-312-4036
NSN 5905-00-916-7517
NSN 5998-01-307-0586
NSN 5935-01-546-7762
NSN 5835-00-064-5312
NSN 5996-01-633-7979
NSN 5975-01-418-1858
NSN 6105-00-889-6961
NSN 6130-01-296-3977
NSN 6320-01-082-2459
NSN 5975-01-053-6294
NSN 6240-01-100-7105