Magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field
A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 5990-01-345-1468
NSN 6105-01-643-5520
NSN 5895-00-061-1071
NSN 6220-00-890-5909
NSN 6320-01-006-6138
NSN 5915-01-587-4429
NSN 5990-00-226-1152
NSN 5975-00-179-1747
NSN 6135-01-420-5907
NSN 4140-01-465-8611
NSN 6650-01-171-6965
NSN 6110-00-487-4553