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 6610-00-996-2566
NSN 6110-01-451-6087
NSN 6135-00-935-5241
NSN 4140-01-295-8264
NSN 2925-01-556-0333
NSN 7035-00-225-6499
NSN 5895-00-688-7886
NSN 5935-01-442-3521
NSN 5998-01-395-5178
NSN 6620-01-185-0811
NSN 7035-01-123-0085
NSN 6610-01-452-9486