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 6110-01-633-1257
NSN 6610-01-137-2767
NSN 5996-00-715-0837
NSN 6240-01-502-7103
NSN 6110-01-272-8669
NSN 6645-01-549-8910
NSN 6650-01-646-0139
NSN 4140-01-314-4697
NSN 6130-01-408-4678
NSN 6320-01-426-1324
NSN 5945-01-375-9163
NSN 6145-00-132-4800