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 5996-01-198-7707
NSN 6145-00-080-1817
NSN 5975-01-500-1668
NSN 5905-00-925-3598
NSN 5950-01-596-6891
NSN 6135-01-038-6225
NSN 6220-01-127-2125
NSN 5996-00-161-4202
NSN 6110-01-476-3641
NSN 6150-01-157-2352
NSN 5935-00-240-2533
NSN 6240-00-527-8614