A washer having a centrally located hole and two flat bearing surfaces which are not parallel.
NSN 6620-01-391-1920
NSN 5855-01-180-5369
NSN 6620-01-461-3550
NSN 6150-01-287-9643
NSN 5950-00-170-8477
NSN 6645-00-589-0143
NSN 5998-01-325-1546
NSN 6145-00-351-4539
NSN 6145-01-088-7999
NSN 5975-01-358-6418
NSN 5895-01-044-4987
NSN 6150-01-522-6500