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Home / Hardware / Nuts / Stop Nuts /MS21042 All-Metal Hex Stop Nuts
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MS21042 All-Metal Hex Stop Nuts

47 Reviews 4 Answered Questions
From $0.26 to $1.15
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Type Part No. Thread Price Buy
Dry Hex Nut
04-04060
4-40$0.345
Quantity
Dry Hex Nut
MS21042-06
6-32$0.39
Quantity
Dry Hex Nut
MS21042-08
8-32$0.30
Quantity
Dry Hex Nut
MS21042-3
10-32$0.26
Quantity
Dry Hex Nut
MS21042-4
1/4-28$0.30
Quantity
Dry Hex Nut
MS21042-5
5/16-24$1.15
Quantity
Dry Hex Nut
MS21042-6
3/8-24$0.87
Quantity
Lubed Hex Nut
MS21042-L04
4-40$0.39
Quantity
Lubed Hex Nut
MS21042-L06
6-32$0.38
Quantity
Lubed Hex Nut
MS21042-L08
8-32$0.42
Quantity
Lubed Hex Nut
MS21042-L3
10-32$0.36
Quantity
Lubed Hex Nut
MS21042-L4
1/4-28$0.35
Quantity
Lubed Hex Nut
MS21042-L5
5/16-24$0.67
Quantity
Lubed Hex Nut
MS21042-L6
3/8-24$0.87
Quantity
Subtotal $0.00
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Overview

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.
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Reviews

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Joachim S Verified Purchase

NUT, STOP MS21042-3
September 12, 2022

Magaero L Verified Purchase

HEX NUT MS21042-L4
August 26, 2022

Magaero L Verified Purchase

HEX NUT MS21042L5
August 26, 2022

Works great on this application. Good quality!

Julio S Verified Purchase

NUT, STOP MS21042-3
August 25, 2022

Magaero L Verified Purchase

HEX NUT MS21042L5
August 12, 2022

This is the most amazing #4 nut youll ever meet.

David M Verified Purchase

MS21042-04 4-40 THREAD STOP NUT
May 8, 2022

good quality

Matthew P Verified Purchase

NUT, STOP MS21042-6
April 1, 2022

Puddle J Verified Purchase

NUT, STOP MS21042-6
March 25, 2022

Excellent, as advertised

Alan F Verified Purchase

NUT, STOP MS21042-5
March 8, 2022

Works great in small places.

John B Verified Purchase

NUT, STOP MS21042-06
February 12, 2022

Q&A

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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.

Q: Is MS21042-06 cad plated steel?

Yes, these are cad plated steel.

Q: What is the equivalent nut in Stainless Steel?

MS21043-4 (our part number 04-01388.)

Q: What is the reason for choosing a dry or lubed version of these Hex Nuts?

It helps prevent corrosion.

Q: Are these MS21042 ALL-METAL HEX STOP NUTS self locking?

Yes.

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