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 6240-01-412-0715
NSN 6320-01-532-7491
NSN 5835-01-368-1013
NSN 6685-01-586-9966
NSN 5930-00-080-2118
NSN 6145-01-606-1849
NSN 5910-00-878-1023
NSN 5985-01-576-4225
NSN 5895-01-451-5138
NSN 6220-00-988-5311
NSN 5915-00-754-4898
NSN 6320-00-468-8421