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 5975-01-356-4544
NSN 5925-01-602-9311
NSN 5985-00-303-8092
NSN 5835-00-861-6066
NSN 2925-01-510-9378
NSN 2925-00-549-6759
NSN 5960-01-632-6576
NSN 5910-00-282-6921
NSN 6240-01-543-7055
NSN 5950-00-923-1309
NSN 5835-00-885-6030
NSN 6150-01-277-0550