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 5996-00-524-0204
NSN 6685-00-596-8765
NSN 6220-01-209-6219
NSN 5945-01-505-6819
NSN 5985-00-209-9895
NSN 5920-00-974-4381
NSN 6220-00-951-6900
NSN 5855-01-364-9810
NSN 6645-01-364-0867
NSN 6645-00-492-9487
NSN 5975-01-431-6952
NSN 6320-00-036-3688