CRUSH WASHER (1/2" Threads)

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Use these crush washers to install our flash hiders, muzzle brakes, or any other device that needs to be oriented to the barrel.


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  • 5
    Finley machined

    Posted by Robert on Mar 24th 2024

    Excellent fit. This company knows how to fine tune their parts. Will be purchasing again.

  • 5
    Excellent Seller

    Posted by Robert on Feb 3rd 2024

    Well made products, fast shipping. I got it before the delivery date

  • 5
    1/2 X 28 Crush Washer

    Posted by Kenneth Waters on Sep 11th 2023

    These crush washers work as they should, a full 1 1/4 rotation is possible with less than 20 ft/lbs of torque being applied. Only ones I have found that work without grossly exceeding 20 ft/lbs. Really impressed. I was shocked when I first tested one.

  • 5
    Crush Washer

    Posted by Bob Raish on May 9th 2023

    What can I say? Crush washers and they do as they designed to do.

  • 5
    1/2" crush washers

    Posted by David Ledger on Feb 13th 2023

    It is recommended to not reuse a crush washer. The low cost of the YHM crush washers makes this do-able at a very low price point.

Yankee Hill Machine Co., Inc. does not offer for sale any controlled product (serialized parts) directly to the end user. This includes Complete YHM-15s, Sound Suppressors, and Lower Receivers. Follow these steps when purchasing to ensure that you receive your order as quickly as possible.

1. Visit (or call) your local firearms dealer and tell them exactly what model number you are looking for (If ordering a sound suppressor keep in mind the dealer needs to be a Class 3 dealer). If your dealer of choice does not currently a offer YHM products don't worry. They can easily become a YHM dealer.

2. IMPORTANT NOTE: EVEN IF A PRODUCT IS OUT OF STOCK ONLINE, DEALERS CAN BACK ORDER THE ITEM AT ANY TIME. Placing your order through a dealer gets you on the back order list and ensures that you will receive your product in the fastest manner possible. This can be applied to any item you are looking for on the website.

Once the order is placed, as soon as the product is ready to go out the door the dealer will be notified and the product will be on its way.

3. Once the dealer receives your order they should contact you to come and pick it up.

Manufacturers Disclaimer:
You, the purchaser are responsible to know your local, regional, state and federal firearms regulations regarding assault rifles and NFA weapons (Such as sound suppressors and short barreled rifles) when purchasing our products. Some of our products in this catalog require a Federal Firearms License and/or S.O.T for purchase.

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