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 6150-00-353-7392
NSN 4140-00-307-2732
NSN 6610-00-565-9758
NSN 5855-01-411-3360
NSN 2925-01-243-7736
NSN 6610-01-368-3269
NSN 6240-01-188-5280
NSN 6110-01-227-9439
NSN 5915-00-088-5995
NSN 5998-01-554-5014
NSN 6240-01-339-3751
NSN 5985-01-381-5768