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 4140-01-032-7621
NSN 6645-01-601-5473
NSN 5960-00-816-9040
NSN 5935-01-094-7409
NSN 5910-01-361-2889
NSN 6130-01-187-7310
NSN 6240-01-246-7507
NSN 5998-00-276-8599
NSN 5915-00-138-7635
NSN 5999-01-631-4928
NSN 5999-01-269-3568
NSN 5975-01-547-5576