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 5985-00-636-8689
NSN 5915-01-411-1071
NSN 5920-01-406-5648
NSN 5930-01-258-8863
NSN 5950-01-449-9861
NSN 6685-01-570-9579
NSN 6240-01-610-0789
NSN 7035-01-422-4642
NSN 6135-00-539-8088
NSN 5920-00-318-3121
NSN 5835-00-554-0399
NSN 6130-01-385-5018