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 6240-00-966-8717
NSN 5960-01-180-8000
NSN 4140-00-864-7743
NSN 5935-00-088-7403
NSN 5910-01-044-5618
NSN 5990-01-400-3299
NSN 5935-00-057-8780
NSN 5920-00-865-3717
NSN 2925-00-909-2596
NSN 5996-01-400-3558
NSN 5965-00-537-4844
NSN 6135-00-243-6521