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 5915-00-841-6918
NSN 6130-00-054-6391
NSN 6150-00-964-2608
NSN 6110-01-210-2230
NSN 6685-01-106-3210
NSN 5945-01-306-9610
NSN 5945-01-270-6969
NSN 5915-01-627-3235
NSN 6240-00-318-7162
NSN 5925-00-964-4989
NSN 6110-01-462-6013
NSN 6150-00-153-3196