4-40 Nutplates

Jeff A · #1 01-21-2009, 09:53 AM

Does anyone know where to get K2000 type (one lug) platenuts for 4-40 screws? Does anyone know if they even exist? I've tried to search for K2000-04 and MS21051-L04 part numbers with no results. Any help would be appreciated.

noelf · #2 01-21-2009, 10:23 AM

...advertises on this website. Take a look as they do have several flavors of 4-40 nutplates.

Mike S · #3 01-21-2009, 11:04 AM

http://www.gen-aircraft-hardware.com/store.asp

Open "Captive Fasteners" on the left menu. Use the "tech info" to select type, in case you need more detail.

Owner is a RV builder, and frequent poster on this forum.

Alschief · #4 01-21-2009, 05:26 PM

Try Cleveland Tools

GAHco · #5 01-21-2009, 06:50 PM

Quote:

Originally Posted by Jeff A

Does anyone know where to get K2000 type (one lug) platenuts for 4-40 screws? Does anyone know if they even exist? I've tried to search for K2000-04 and MS21051-L04 part numbers with no results. Any help would be appreciated.

Try MS21071L04 They are the same except for close quarters.

When you go to this click on Basic Image

http://www.gen-aircraft-hardware.com...ate=MS21071L04

GAHco · #6 01-22-2009, 06:33 PM

Quote:

Originally Posted by GAHco

Try MS21071L04 They are the same except for close quarters.

When you go to this click on Basic Image

http://www.gen-aircraft-hardware.com...ate=MS21071L04

I checked the price on these today and Wow, they were wrong.

I took the time to fix them, they are still "not cheap", but they are out of the ridiculous range.

To those of you who were flabbergasted I do apologize.

Jeff A · #7 01-22-2009, 09:00 PM

Tom,

Thanks. Those will work perfectly. I'm working on a list of other needed hardware and I'll contact you shortly. Thanks again.

bweiss · #8 01-22-2009, 09:43 PM

Jeff,
Try a company called aircraft hardware They have lots of great hardware and their catalog is a great reference tool

GAHco · #9 01-23-2009, 08:04 AM

Quote:

Originally Posted by Jeff A

Tom,

Thanks. Those will work perfectly. I'm working on a list of other needed hardware and I'll contact you shortly. Thanks again.

They do work nicely. They are pretty small so with my Banana fingers I had to be patient with myself when installing them. At least they are not like the mini NAS version, they use 1/16th rivets and those are really a pain, especially in fiberglass. These use 3/32 rivets.

I used these on my rudder caps (top and bottom) to keep the wight down on a dynamic control surface. I will see if I have a pic I can post later.

One other suggestion, if you are going countersunk, use nas514 screws, the nutplates are pretty grippy and these work better due to they are a higher strength alloy and there is less tendency to strip the Phillips drive out on the screw.(also use a new #1 bit)

Best wishes.