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 6135-01-421-6373
NSN 6685-00-012-3734
NSN 5930-00-504-8542
NSN 6220-01-370-4215
NSN 5960-01-504-3415
NSN 5925-01-605-3888
NSN 7035-01-302-5359
NSN 5905-00-506-6606
NSN 5930-00-660-6774
NSN 6610-01-067-6591
NSN 6145-01-108-3888
NSN 4140-01-398-0286