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Nut,Two Lug Anchor MS21047L4

31 Reviews 3 Answered Questions

Packaged Items

SinglePack of 5

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Overview
Tech Data
Reviews
Q&A
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Material	Thread Size	Description	Part Number
All Metal	1/4-28	Plain Rivet Holes	K1000-4

Overview

Anchor nuts are designed for blind mounted applications where it is impractical to use hex nuts or where it is desirable to have an attached nut for ease of maintenance.

K1000
MS21047, NAS680, NAS1023A

All Metal Anchor Nut
(K1000-Full Size / MK1000-Miniature)

Tech Data

Tech Data Sheet (PDF)

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Reviews

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Michael S

Verified Purchase

Nut,Two Lug Anchor MS21047L4 (Pack Of 5)

September 15, 2024

Rick L

Verified Purchase

Nut,Two Lug Anchor MS21047L4 (Pack Of 5)

August 20, 2023

Michael H

Verified Purchase

Nut,Two Lug Anchor MS21047L4

June 6, 2023

I liked the locking feature - no need to safety wire.

John B

Verified Purchase

Nut,Two Lug Anchor MS21047L4

May 25, 2023

good quality

Joseph G

Verified Purchase

Nut,Two Lug Anchor MS21047L4

July 2, 2022

John E

Verified Purchase

Nut,Two Lug Anchor MS21047L4 (Pack Of 5)

December 24, 2021

just what I needed and for a fair price!

Elbert T

Verified Purchase

Nut,Two Lug Anchor MS21047L4

August 19, 2021

Brm A

Verified Purchase

Nut,Two Lug Anchor MS21047L4

June 12, 2021

easy to install

Steven

January 25, 2021

Very useful. Two hints: get the drill jig. Run a steel screw it first before you use a stainless screw. The locking is initially too tight for stainless.

Gordon T

January 2, 2021

Your company is amazing. Parts show up usually in 24 hours. Prices are usually fair. As you can tell from my order history I am a regular.

Rolf F

December 1, 2020

As shown in catalog

Clarke

October 30, 2020

Materials arrived on time and were exactly what was needed to complete the task. Very high quality products.

William R

September 18, 2020

I have used these fasteners for many purposes over the years. They install by riveting, and since I usually used them close to edges of cowlings and panels, a rivet squeezer usually could be used, and made the job easy. The receptacles have a vibration-resistant feature (like metal lock nuts), and I have never had any machine screws inadvertently backing out or coming loose from them. The standard (full size) have enough space to install a Cleco and easily drill the hole to the other side.

Paul E

July 7, 2020

Exactly what I needed. You guys are the best!

Jim K

June 7, 2020

Im not sure what to say. Its a 6-32 blind nut that does what it is designed for

Dennis B

May 22, 2020

Exactly as advertised

Gary R

May 1, 2020

just what I ordered

Gary S

July 30, 2019

Good product.

Jean G

July 14, 2019

Rushford A

June 20, 2019

Philip C

March 30, 2019

No Problems

Steve S

March 4, 2019

Great quality.

Travis E

June 19, 2018

Ind Std part. As advertised

Jerry L

June 18, 2018

Works great for our students projects.

Ed B

June 8, 2018

Available in full size and minature rivet spacing. Both are equally strong.

Robert C

May 31, 2018

Low profile. High-quality material and easy to install.

Arnab R

March 22, 2018

works great

Gwen

March 15, 2018

Ive used these throughout the build of my RV-7A. Excellent quality nut plates.

Volo A

June 22, 2017

These small parts were what I ordered. No surprise here. Order was filled promptly and correctly. Shipping charges are are way to high for such a small part sent in a small envelope USPS.

Ron

July 22, 2019

I called and was told this were one legged. Not

Don G

November 4, 2020

Q&A

Please note, Aircraft Spruce Canada'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 Canada 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.

Q: What kind of steel are these nut plates made out of?

The tech data lists a few approved steel materials. Please review the Tech Data document in the "Tech Data" tab of this web page for all available information regarding these anchor nuts.

Q: What would the proper size rivet be for this anchor nut be?

The diameter is 3/32", but grip can vary. CCC-32 is a commonly used pull type flush rivet to attach anchor nuts.

Q: For the K1000-3 anchor nuts, what diameter rivets are used to anchor them?

They will take a 3/32" diameter rivet.

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