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 6620-01-168-8450
NSN 5950-01-029-8026
NSN 6620-01-084-5112
NSN 5935-01-327-3773
NSN 5910-00-259-5527
NSN 2925-01-197-7864
NSN 6620-01-259-2411
NSN 5915-01-395-8688
NSN 6645-01-286-9872
NSN 6110-00-233-6626
NSN 5998-01-033-6592
NSN 5999-01-030-1268