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 6645-01-206-4888
NSN 5985-00-267-9253
NSN 5950-01-421-5992
NSN 6240-01-112-7576
NSN 5990-00-513-5328
NSN 2925-01-206-7948
NSN 5975-01-583-8674
NSN 6240-01-107-9795
NSN 5965-01-466-1154
NSN 6105-00-416-6922
NSN 6110-01-572-9681
NSN 5935-00-901-4698