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 7035-01-240-0541
NSN 6150-01-508-3673
NSN 7035-00-361-5975
NSN 6620-01-265-0632
NSN 6610-00-235-7617
NSN 6130-01-573-1996
NSN 6650-01-207-2905
NSN 5895-00-147-7034
NSN 6110-01-076-3043
NSN 6135-00-866-2311
NSN 5915-01-507-4033
NSN 5935-01-452-2993