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 2925-01-633-4048
NSN 6130-01-386-2894
NSN 6320-00-456-2092
NSN 6150-01-044-6243
NSN 7035-01-328-3344
NSN 5925-01-007-7900
NSN 5945-01-644-1371
NSN 5950-01-590-0439
NSN 5835-01-652-4959
NSN 5960-01-241-1844
NSN 6240-01-341-3418
NSN 5935-01-043-0641