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 6645-00-113-4441
NSN 6240-01-206-4809
NSN 5960-00-137-4751
NSN 5996-01-557-8032
NSN 5998-01-288-7526
NSN 5945-01-115-1010
NSN 6320-01-108-5933
NSN 7035-01-595-5270
NSN 6135-01-443-7716
NSN 6685-01-605-3617
NSN 6110-01-489-5482
NSN 6620-01-426-2220