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 4140-01-056-4453
NSN 6610-01-285-4673
NSN 6150-00-452-1086
NSN 6240-00-735-7599
NSN 6145-01-506-4467
NSN 6110-01-592-6421
NSN 6645-01-531-5976
NSN 6620-00-901-7848
NSN 5999-00-848-8041
NSN 5920-01-235-0704
NSN 5920-01-383-7108
NSN 5950-01-293-9990