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 6645-01-360-4562
NSN 6620-00-992-5876
NSN 5985-00-935-4903
NSN 4140-00-152-7092
NSN 6110-01-121-6989
NSN 7035-00-299-7150
NSN 6610-00-244-2816
NSN 5960-01-368-5874
NSN 6240-01-288-5163
NSN 5835-01-370-4292
NSN 5910-01-474-7948
NSN 6220-00-443-0589