Commercial
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 5835-01-432-1277
NSN 5855-01-138-4985
NSN 6110-00-969-4030
NSN 5996-00-962-5228
NSN 5996-01-391-2733
NSN 5996-00-201-3763
NSN 5855-01-361-2362
NSN 5990-01-448-2751
NSN 6220-01-266-2341
NSN 5930-01-353-1638
NSN 6220-01-028-0329
NSN 6110-01-645-2571