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 2925-00-278-9468
NSN 5905-00-951-4470
NSN 5998-00-535-9190
NSN 6620-00-022-8056
NSN 5998-01-272-0848
NSN 6240-01-252-3642
NSN 5950-01-634-0055
NSN 5998-00-549-9766
NSN 5945-00-383-5356
NSN 6135-00-284-1406
NSN 5975-00-401-5365
NSN 5920-01-087-3725