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 5975-00-109-3272
NSN 2925-01-030-3598
NSN 5935-01-320-2545
NSN 6620-01-527-0664
NSN 5996-01-487-4377
NSN 5965-01-189-4805
NSN 2925-01-228-6554
NSN 6145-00-100-4358
NSN 6130-01-572-2676
NSN 6135-01-412-5836
NSN 5965-01-207-0991
NSN 5925-01-017-1036