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 6320-00-857-4073
NSN 5930-01-169-8230
NSN 6685-01-013-3265
NSN 5945-01-004-2399
NSN 5975-01-409-2948
NSN 6110-00-287-7960
NSN 6610-01-517-1901
NSN 6620-00-512-4147
NSN 5998-00-189-1570
NSN 5990-01-064-9994
NSN 6645-01-179-0243
NSN 5975-00-315-8369