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 4140-01-643-3391
NSN 6105-01-430-9736
NSN 6110-01-014-3840
NSN 5925-01-534-4866
NSN 5925-01-396-6093
NSN 2925-01-532-0781
NSN 5965-01-285-9934
NSN 5998-01-370-4597
NSN 5996-01-064-2244
NSN 2925-01-004-1683
NSN 5996-00-144-8091
NSN 5975-01-481-3858