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 6320-01-029-4220
NSN 6240-01-589-7218
NSN 5999-01-440-9622
NSN 6145-01-388-2642
NSN 6150-01-145-3780
NSN 6145-00-185-4515
NSN 5915-00-271-2321
NSN 6610-00-939-0524
NSN 5905-00-501-6153
NSN 7035-01-106-3476
NSN 5930-01-083-0931
NSN 5990-01-231-9608