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 6610-01-167-6617
NSN 5996-01-057-8802
NSN 6620-01-217-1490
NSN 6320-00-857-4073
NSN 6105-01-346-1347
NSN 5965-01-523-4572
NSN 6135-01-100-3593
NSN 4140-00-463-6166
NSN 5996-01-633-7979
NSN 5985-01-603-6510
NSN 5855-00-014-5008
NSN 5915-01-574-7419