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 6620-00-280-2874
NSN 5998-00-451-7245
NSN 6150-01-210-7298
NSN 5975-01-067-9134
NSN 5895-01-581-1335
NSN 7035-00-849-5526
NSN 5930-00-231-4960
NSN 6145-01-417-0038
NSN 5960-01-142-1995
NSN 5915-00-948-3574
NSN 6240-01-437-8991
NSN 6685-00-234-8995