0.250 size
No other part numbers with same form, fit, and function found.
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 6610-01-391-5092
NSN 5925-01-622-6708
NSN 5950-01-431-7311
NSN 5975-01-598-7665
NSN 5915-00-237-6183
NSN 2925-00-420-8151
NSN 6105-01-224-9267
NSN 6105-01-421-4457
NSN 5945-00-302-9392
NSN 5950-01-410-8210
NSN 5950-01-327-2808
NSN 5960-01-632-6576