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 5975-01-176-1392
NSN 6620-00-936-3463
NSN 5965-00-492-9642
NSN 5905-01-023-1732
NSN 5855-00-973-5717
NSN 6220-01-451-3056
NSN 6135-00-973-5632
NSN 6110-01-385-1003
NSN 5999-00-106-2038
NSN 6620-01-131-2480
NSN 5930-01-157-8830
NSN 5835-00-783-6620