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 5996-01-351-6181
NSN 6645-00-309-0447
NSN 5999-00-456-0603
NSN 6130-00-113-7148
NSN 5910-01-344-4896
NSN 5985-01-493-9298
NSN 6110-01-544-7367
NSN 5925-01-348-4223
NSN 6650-01-452-1167
NSN 4140-01-328-3958
NSN 6685-01-492-5340
NSN 5920-00-941-8014