A plain nut on which has been assembled a nonremovable washer.
Classification: Nuts of iron or steel
NSN 6150-00-554-7591
NSN 6650-00-103-3239
NSN 5950-01-398-3531
NSN 6145-01-433-3226
NSN 6150-01-549-6539
NSN 6150-01-417-2164
NSN 5895-01-045-5418
NSN 5915-01-014-6309
NSN 5965-01-576-8847
NSN 5925-01-426-5231
NSN 5915-01-086-7921
NSN 5965-01-657-4519