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 5960-00-918-2369
NSN 6135-01-584-0941
NSN 6135-01-388-2761
NSN 5905-00-797-3934
NSN 5999-01-305-6726
NSN 6610-01-398-8815
NSN 5895-01-620-3986
NSN 6320-01-279-0343
NSN 6150-01-534-6166
NSN 6320-01-607-1491
NSN 5996-00-767-0291
NSN 5895-01-352-7964