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 5998-00-815-7802
NSN 5945-01-438-4397
NSN 5910-01-266-7562
NSN 6320-01-643-0850
NSN 2925-00-674-5007
NSN 6105-00-802-7490
NSN 6110-01-383-6517
NSN 6145-00-617-4032
NSN 5999-00-801-3394
NSN 6150-01-426-5186
NSN 4140-01-102-4616
NSN 5905-00-052-5997