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 6620-01-352-1854
NSN 2925-01-277-5882
NSN 5835-01-408-6529
NSN 6320-01-527-0211
NSN 6240-01-604-9172
NSN 6130-01-602-6392
NSN 5998-01-055-6896
NSN 5920-00-351-7699
NSN 5945-01-368-7497
NSN 6685-01-291-3330
NSN 6105-01-450-9399
NSN 6320-01-536-3077