Has 2 x r0.25 on the side with the 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 6105-00-287-0989
NSN 5945-00-526-0310
NSN 6220-01-362-7195
NSN 7035-01-029-7221
NSN 5998-01-629-9701
NSN 5965-01-451-2481
NSN 6620-01-193-6588
NSN 5930-00-923-2560
NSN 5905-00-271-8523
NSN 5960-01-431-4291
NSN 6610-01-425-1523
NSN 5990-01-073-4782