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 4140-01-485-2024
NSN 5895-01-468-4864
NSN 6320-00-831-2227
NSN 6650-01-558-5796
NSN 4140-00-246-4969
NSN 6135-00-505-0679
NSN 4140-00-820-1173
NSN 7035-01-568-5351
NSN 5996-01-633-7979
NSN 5915-01-197-6218
NSN 6650-01-186-2426
NSN 6145-01-437-8595