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 5996-00-229-7037
NSN 5915-01-076-3092
NSN 5930-01-336-2533
NSN 6645-01-491-1815
NSN 5895-01-558-5341
NSN 6240-01-423-8642
NSN 5855-01-534-4577
NSN 5910-01-532-4617
NSN 5975-01-056-4727
NSN 6620-01-116-3983
NSN 6150-00-072-0775
NSN 5960-01-201-6316