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 5915-00-456-0243
NSN 6610-00-732-0037
NSN 6130-01-295-6419
NSN 7035-01-512-1826
NSN 5905-00-013-1250
NSN 6110-00-931-7977
NSN 6150-01-174-9403
NSN 5915-00-904-9157
NSN 5985-00-289-9862
NSN 5930-01-510-3198
NSN 5999-00-419-7213
NSN 5960-01-444-8163