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 2925-01-632-5913
NSN 5920-01-038-3775
NSN 5905-01-029-2213
NSN 6610-01-143-7914
NSN 6220-01-120-7436
NSN 6650-01-553-0721
NSN 5996-01-218-0522
NSN 5910-00-388-6737
NSN 6240-00-900-8642
NSN 5998-01-100-3496
NSN 5905-00-289-5007
NSN 5975-01-353-7349