12 0.315 in. Diameter holes equally spaced 3 each between smaller holes
A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.
NSN 6220-01-121-7391
NSN 5835-01-381-1824
NSN 6220-01-576-2336
NSN 5990-01-090-3232
NSN 5915-01-414-4310
NSN 6685-01-206-4615
NSN 5990-01-633-9503
NSN 5960-00-322-8562
NSN 6620-00-506-0112
NSN 6105-01-245-5294
NSN 5999-01-351-6452
NSN 5965-00-088-1722