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 5998-00-243-6609
NSN 5990-01-432-4249
NSN 5905-01-215-0760
NSN 5999-01-128-2755
NSN 5950-00-019-1504
NSN 5915-01-443-3881
NSN 5930-00-760-6866
NSN 5835-01-422-7393
NSN 6685-01-133-4305
NSN 5998-00-388-0259
NSN 5935-01-222-3643
NSN 5996-01-632-8592