If you are solely interested in accessing Naval Ships’ Technical Manual (NSTM) Chapter 631 or other chapters, please note that NSTM chapters such as 631 are not approved for public release and thus cannot be posted to the NST Center website. Please visit this page for information about registering for access to the Model Based Product Support (MBPS) system.

If you are interested in the publicly available US Navy coatings and preservation resources of NST Center, please register for an account.

New User Registration
You may use a mix of upper case and lower case letters, numbers or special characters in your password. You may also want to consider using a passphrase. The Password Strength meter MUST display "Strong” before you can register. The meter will change to green when you have entered a strong password.
Strong Password Required
Please indicate that you agree to the Terms of Service *
*Required field