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 5910-01-521-3684
NSN 6130-01-563-3980
NSN 5835-01-495-0595
NSN 6220-00-602-6707
NSN 6150-01-168-8290
NSN 5950-00-496-7193
NSN 6135-00-078-9931
NSN 5835-01-152-8452
NSN 6145-00-329-5323
NSN 6610-01-049-2661
NSN 5855-01-072-0410
NSN 5855-01-594-5370