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 6240-01-618-1978
NSN 6610-01-655-4737
NSN 5910-01-168-8632
NSN 6150-00-900-4774
NSN 4140-00-300-8111
NSN 6240-01-544-6359
NSN 6145-00-864-7881
NSN 6620-00-506-0112
NSN 5960-00-179-0737
NSN 6645-00-580-9605
NSN 5915-00-135-4307
NSN 6620-01-339-5524