1.438 in. Screw size
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
Classification: Spring washers and other lock washers, iron or steel
NSN 5999-01-605-1024
NSN 5985-00-069-4480
NSN 5910-00-815-5651
NSN 5950-01-048-1209
NSN 6685-01-654-4653
NSN 6220-01-545-4613
NSN 6320-01-585-8468
NSN 6320-01-415-0953
NSN 5950-01-056-5157
NSN 5998-00-515-2252
NSN 6220-01-217-1517
NSN 6130-01-492-5841