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 2925-00-950-2516
NSN 5990-01-302-3733
NSN 6150-01-565-1148
NSN 5990-00-277-3763
NSN 6685-00-946-5411
NSN 6130-00-516-3559
NSN 5985-01-069-3173
NSN 5835-01-150-6084
NSN 5985-00-277-7323
NSN 6105-00-847-8199
NSN 6240-00-019-5835
NSN 6610-00-822-0431