|Lubed Hex Nut||MS21042-L4||1/4-28|
The MS21042 all-metal stop nuts are designed for use in high temp installations (up to 450°F). MS21042 nuts are shorter than the AN363 nut but develop the same tensile strength. MS21042 Hex Nuts (Lubed) are the same as MS21042- but have a dry film lube (dark grey).
Less 20% for quantity 100/Part No.
HEX NUT MS21042-L4
Order shipped promptly, sales person very polite
Great nut for small tight places and firewall forward where heat is an issue.
Use these on my race car to reduce weight and ensure a secure fit.
Highest quality, provides a light weight low profile locking fitting. Great for high heat applications.
As described. Recommended.
Perfect! Great product and much cheaper than other manufacturers. This is my go to shop for my race car needs.
Just what I needed.
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.
Yes, these are cad plated steel.
MS21043-4 (our part number 04-01388.)
It helps prevent corrosion.