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 5895-01-178-6402
NSN 5855-01-479-3152
NSN 6620-00-125-9669
NSN 6685-00-604-0595
NSN 6610-00-277-7206
NSN 6220-01-615-6268
NSN 4140-00-758-0311
NSN 5915-01-498-4940
NSN 5960-01-381-4692
NSN 6645-01-080-6052
NSN 5965-00-144-2543
NSN 5990-00-446-0518