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 2925-00-010-9609
NSN 5835-01-100-3265
NSN 5990-00-306-0222
NSN 2925-00-221-8529
NSN 5965-00-156-8562
NSN 5975-00-127-9989
NSN 5915-00-127-4305
NSN 5930-00-232-4777
NSN 6110-00-927-8186
NSN 6320-00-573-8034
NSN 5975-00-256-3569
NSN 6130-01-141-6517