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 6620-01-383-6494
NSN 2925-01-143-4229
NSN 6145-00-169-4834
NSN 6220-00-210-7572
NSN 5905-00-581-6149
NSN 5950-01-575-6992
NSN 5925-00-399-1120
NSN 6645-01-202-4114
NSN 5835-01-406-5943
NSN 6610-00-518-4919
NSN 5925-01-350-1847
NSN 5915-01-353-6609