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 5996-00-221-7663
NSN 5945-01-182-6624
NSN 5965-01-649-1279
NSN 5950-01-151-5100
NSN 5960-00-739-3357
NSN 6320-01-592-4567
NSN 6620-01-367-0844
NSN 5975-01-559-3109
NSN 6135-00-932-3136
NSN 5998-01-419-6950
NSN 4140-00-606-9453
NSN 5905-00-432-0974