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 6220-00-107-1835
NSN 5915-01-403-2599
NSN 5930-01-580-1310
NSN 5905-01-618-8900
NSN 6220-00-326-9144
NSN 2925-00-839-6815
NSN 5975-01-655-2610
NSN 5975-01-381-2763
NSN 6240-01-350-4959
NSN 5910-01-459-7725
NSN 5965-00-119-6207
NSN 4140-00-648-3303