4 holes 0.281 dia. And 3 holes 0.188 dia.
No other part numbers with same form, fit, and function found.
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 6645-01-529-5690
NSN 5945-01-131-2757
NSN 6320-01-571-8974
NSN 6105-00-398-4673
NSN 6110-00-228-4308
NSN 6130-01-510-9922
NSN 5910-01-568-0081
NSN 6145-01-519-3783
NSN 6320-00-908-6841
NSN 5975-01-012-5643
NSN 5985-01-567-8191
NSN 5999-01-563-2886