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 5990-00-952-7100
NSN 4140-01-288-7979
NSN 5895-01-498-2524
NSN 5910-01-570-3929
NSN 6240-00-904-2122
NSN 2925-00-898-9135
NSN 5975-00-457-0611
NSN 5920-01-108-8256
NSN 5960-01-188-4558
NSN 6130-00-167-7584
NSN 5998-01-657-9705
NSN 5855-01-481-8529