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 6685-01-129-7472
NSN 5905-00-964-3574
NSN 6320-01-116-3980
NSN 5925-01-447-1005
NSN 6145-01-012-2556
NSN 5965-01-381-2998
NSN 6620-01-335-5776
NSN 5855-00-149-0766
NSN 6645-01-175-9875
NSN 5920-01-524-0222
NSN 5910-00-706-7783
NSN 5895-00-007-5533