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 2925-01-185-9144
NSN 7035-00-215-3272
NSN 6145-00-216-6613
NSN 6150-00-424-2955
NSN 5935-01-265-8348
NSN 4140-00-155-8012
NSN 5960-00-078-9500
NSN 5990-01-534-8609
NSN 2925-00-771-7521
NSN 6620-00-155-2608
NSN 5930-01-343-9558
NSN 6320-01-422-1212