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 6130-00-086-2908
NSN 6130-00-465-2965
NSN 6240-01-529-4526
NSN 4140-00-182-1454
NSN 5975-00-588-6658
NSN 5998-01-521-2197
NSN 5998-01-052-7341
NSN 6145-01-076-0899
NSN 5935-01-604-6589
NSN 5920-01-573-6166
NSN 5910-01-157-6654
NSN 5910-01-496-8504