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 5910-01-414-9241
NSN 5985-00-259-5757
NSN 5945-01-432-6107
NSN 5985-01-534-2864
NSN 6645-01-167-5814
NSN 5965-01-315-5764
NSN 5990-01-134-7756
NSN 5975-01-131-9493
NSN 5925-00-152-9399
NSN 5935-01-581-2081
NSN 2925-01-093-5479
NSN 5975-01-415-0068