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 5855-01-575-0061
NSN 6135-00-553-7995
NSN 2925-01-527-5335
NSN 6645-01-462-2101
NSN 5905-01-543-6732
NSN 5998-01-507-9573
NSN 5999-00-949-6571
NSN 5910-01-147-8802
NSN 6240-00-474-0661
NSN 5905-01-367-4124
NSN 6645-01-128-6289
NSN 5835-00-807-5632