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 5998-00-517-9170
NSN 6240-01-289-4536
NSN 5950-00-386-7350
NSN 5996-00-316-3386
NSN 2925-00-497-7808
NSN 6645-01-283-2080
NSN 5985-00-135-2238
NSN 5895-01-500-9499
NSN 5998-00-935-2509
NSN 5925-01-135-2025
NSN 5965-00-372-2537
NSN 5975-01-197-8398