Od 4.1 millimeters
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 6150-00-723-3837
NSN 5915-00-727-2601
NSN 5999-01-581-7769
NSN 5915-00-162-1841
NSN 5835-00-113-6090
NSN 5935-00-052-5260
NSN 6110-01-383-7091
NSN 5996-01-529-4964
NSN 5925-01-660-9629
NSN 5855-01-473-6076
NSN 6220-01-007-1236
NSN 5965-01-374-2376