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 5998-00-819-0447
NSN 5925-01-243-5615
NSN 6610-01-457-1974
NSN 5999-01-076-4669
NSN 5915-00-203-5890
NSN 6620-01-652-4349
NSN 5965-01-294-7522
NSN 5905-01-592-0125
NSN 5996-00-681-0490
NSN 5935-00-632-7795
NSN 5975-01-181-4459
NSN 6150-01-547-7916