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 6645-00-115-1213
NSN 6620-00-654-3738
NSN 5855-01-650-3762
NSN 5996-00-256-3915
NSN 5975-01-427-3521
NSN 6130-01-391-4572
NSN 5998-01-054-3962
NSN 4140-00-578-7726
NSN 5965-01-631-6307
NSN 6320-00-164-4087
NSN 5855-01-290-7035
NSN 6220-01-139-2138