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 5925-00-829-4897
NSN 5915-01-538-7581
NSN 6685-01-100-2653
NSN 6220-01-069-2340
NSN
NSN 6145-01-064-8818
NSN 6240-01-592-4068
NSN 6220-01-549-4913
NSN 6240-01-060-6037
NSN 5915-01-367-2056
NSN 5999-01-218-5675
NSN 4140-01-173-7869