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 5960-01-218-2858
NSN 6110-01-212-1177
NSN 6240-01-386-4594
NSN 5915-00-350-8163
NSN 6130-01-514-7059
NSN 5945-00-610-2041
NSN 5985-00-844-5436
NSN 7035-01-521-9817
NSN 6145-01-550-3607
NSN 6610-01-290-2627
NSN 5895-01-145-6499
NSN 6240-01-259-4265