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 6645-01-033-1171
NSN 5945-00-168-1304
NSN 5915-00-965-0535
NSN 5998-01-033-8285
NSN 6320-01-582-6752
NSN 5905-01-588-6148
NSN 5990-01-288-7393
NSN 6620-01-013-5432
NSN 6610-00-137-0351
NSN 5855-00-862-3345
NSN 6240-00-616-4029
NSN 5996-00-642-7606