|Description||Thread Size||Part Number|
|MS21043-4 HEX NUT||1/4-28||04-01388|
MS21043 Hex Nut, often referred to as jet nuts or reduced hex nuts.
Less 20% for quantity 100/Part No.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Great light weight high temp nuts that are same strength as a nyloc nut but less than half the weight.
I was wrong, stainless steel nut
these are alloy/aluminum or something.... I ordered bunch of the wrong ones like this, expected steel..... Hope this helps someone
Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
This specific nut will have a 10-32 threads. The screw you choose will depend on your application. To use MS21043-3 the screw or bolt will just need to have 10-32 threads.
Yes they are Stainless steel. Alloy 660.