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 5855-00-256-5562
NSN 5998-00-204-4441
NSN 6130-00-180-5149
NSN 6110-00-271-9928
NSN 6240-00-957-5724
NSN 5975-00-618-0161
NSN 5998-00-321-5541
NSN 6685-01-462-5866
NSN 2925-01-253-6006
NSN 7035-01-325-0536
NSN 5935-00-797-1319
NSN 4140-01-395-6572