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 6220-01-336-0130
NSN 6645-01-651-9562
NSN 6220-00-235-3565
NSN 5910-01-369-0231
NSN 6620-01-439-9471
NSN 6145-01-191-1529
NSN 6240-00-978-5020
NSN 5985-00-603-3153
NSN 5935-00-226-0136
NSN 5950-00-935-2343
NSN 6685-01-592-9681
NSN 5925-01-109-3582