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 5998-00-686-2152
NSN 5975-01-483-7402
NSN 6105-01-519-8003
NSN 6620-01-247-7655
NSN 5910-01-019-6867
NSN 5960-00-455-9218
NSN 6135-00-078-9931
NSN 5990-01-383-9780
NSN 5945-01-283-8067
NSN 5998-00-216-6944
NSN 6240-01-154-6840
NSN 6110-01-525-8027