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 5945-00-891-2617
NSN 6135-00-973-5632
NSN 6145-01-524-3687
NSN 6645-01-396-6976
NSN 5920-01-181-6776
NSN 5935-01-447-9189
NSN 5998-01-326-6249
NSN 6645-00-200-2322
NSN 5985-01-017-3683
NSN 5910-00-738-6556
NSN 5905-00-583-5740
NSN 5945-00-898-0181