This product is a black zinc-plated, knurled locking nut with the part number 51-0001-54, manufactured by HID. It is designed for 8-32 thread sizes and provides a secure and reliable fastening solution.
The knurled design allows for easy manual tightening and loosening, while the locking feature ensures that the nut remains in place under vibration and stress, preventing accidental disassembly.
51-0001-54 - Hid NUT LKG KNRLD 8-32 BLK ZINC