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 5915-00-779-8307
NSN 5998-00-559-4782
NSN 5990-00-681-2789
NSN 6610-01-296-0880
NSN 6240-00-079-0112
NSN 2925-00-578-4068
NSN 5990-00-295-0968
NSN 6645-01-252-8870
NSN 6130-01-263-2457
NSN 5996-01-381-1997
NSN 6610-01-195-3497
NSN 6145-01-224-5394