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 6620-00-241-5264
NSN 5930-01-395-2405
NSN 5905-01-557-5395
NSN 6240-01-461-8193
NSN 6130-00-228-6297
NSN 6220-01-377-5645
NSN 6130-01-281-7268
NSN 5950-00-948-2698
NSN 6220-01-380-7148
NSN 6610-00-137-3959
NSN 5998-01-218-3112
NSN 5999-00-530-4844