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 6320-00-164-4087
NSN 6150-00-853-6440
NSN 5996-00-424-5266
NSN 5950-01-641-2901
NSN 5950-00-810-6785
NSN 5910-01-180-3358
NSN 6240-01-163-2813
NSN 6145-01-050-7531
NSN 6105-01-585-6137
NSN 5895-01-052-6869
NSN 5998-01-222-5763
NSN 5950-00-951-8600