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 5996-01-442-7148
NSN 6685-01-028-0527
NSN 5996-01-534-7687
NSN 5960-01-389-0629
NSN 5985-00-703-0999
NSN 6610-01-030-8169
NSN 6145-01-290-3986
NSN 5915-01-391-7830
NSN 6620-01-355-4339
NSN 2925-00-388-8932
NSN 6220-01-394-5263
NSN 5996-01-171-2132