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 6150-00-608-9606
NSN 5945-01-450-1740
NSN 4140-01-419-0198
NSN 5996-00-449-1346
NSN 5910-01-500-2257
NSN 5835-00-280-8494
NSN 6645-01-391-6492
NSN 6145-01-365-0645
NSN 6645-01-322-8897
NSN 6685-01-425-1191
NSN 6240-00-896-6334
NSN 6220-01-190-8605