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 5998-00-078-1389
NSN 6110-01-391-2710
NSN 6320-01-397-9995
NSN 5950-01-546-6083
NSN 7035-01-406-5232
NSN 6150-01-049-6013
NSN 5996-00-008-3266
NSN 5945-01-441-9346
NSN 5998-01-606-9940
NSN 5985-00-170-8536
NSN 6645-00-540-8930
NSN 5895-01-231-2061