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 5985-00-619-7481
NSN 6620-01-442-8444
NSN 5895-00-998-1199
NSN 6645-00-620-9294
NSN 6645-00-236-9076
NSN 2925-00-081-3547
NSN 6620-00-992-5876
NSN 5930-01-356-0276
NSN 5998-01-181-0944
NSN 5945-01-228-8826
NSN 5895-00-144-8162
NSN 6620-01-199-8580