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 5945-01-177-9653
NSN 5910-01-238-2899
NSN 5990-00-250-5205
NSN 5965-00-055-8013
NSN 5915-00-244-1702
NSN 6320-00-036-3688
NSN 6220-01-450-7909
NSN 5975-00-496-3433
NSN 2925-01-492-5342
NSN 4140-00-152-2030
NSN 6610-01-299-0601
NSN 6620-01-211-4098