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 5999-00-623-7873
NSN 5998-01-054-8107
NSN 6645-00-308-4179
NSN 5915-01-301-6093
NSN 5975-00-922-0955
NSN 5950-01-463-2796
NSN 5910-01-154-7470
NSN 2925-01-281-6403
NSN 6130-00-983-3104
NSN 5998-01-660-9489
NSN 5930-00-230-7959
NSN 5935-01-144-0026