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 6240-01-409-0439
NSN 5990-01-595-9441
NSN 6145-00-466-4068
NSN 5920-01-366-2513
NSN 5910-01-211-6615
NSN 5945-00-255-2033
NSN 5999-01-356-2170
NSN 5990-01-347-6080
NSN 6105-00-275-0826
NSN 5925-00-243-8694
NSN 6130-01-613-7688
NSN 6620-01-147-0441