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 6110-00-211-4036
NSN 6145-01-124-9062
NSN 5920-01-572-3772
NSN 6610-01-302-2073
NSN 5935-01-137-5840
NSN 6145-01-182-6775
NSN 6620-00-246-5159
NSN 5910-01-331-4711
NSN 6320-00-456-2092
NSN 4140-01-224-0435
NSN 5975-01-602-8367
NSN 2925-01-643-8395