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 5999-01-288-0297
NSN 5985-01-422-8092
NSN 6105-01-162-5986
NSN 5945-00-779-2946
NSN 5910-01-647-1555
NSN 5998-01-188-7555
NSN 7035-00-329-4015
NSN 5960-01-418-2641
NSN 5930-01-561-3673
NSN 7035-00-153-3826
NSN 4140-01-529-6811
NSN 2925-00-221-4977