Navships Test Block – Navy Version (3020)

Used for distance amplitude correction, sensitivity levels and flaw depth information.

Available in the following standard materials:

1018 Steel, Nickel-plated

7075-T6 Aluminum, clear anodized

HY-80 Steel, bare

Type 304 Stainless Steel


We pride ourselves in providing fast deliveries. However inventory changes rapidly and on occasion some items may not be in stock. If you require an expedited shipment, please contact us via e-mail or call our office to confirm availability of an item. *Nominal lead times vary by product.

Product Information

Contains six 3/64″ diameter side-drilled through-holes at distances of .250″ to 2.750″ in .250″ increments, and an additional near-surface hole at .125″.  MTDs are engraved near both scan edges on one face. In accordance with NAVSEA TECH PUB #T9074-AS-GIB-010/271, Figure 19.

  • Dimensions: 12.000″ x 3.000″ x 1.250″
  • Scanning surfaces are 125-250 Ra.
  • Also available: Standard Navships block with 6 SDHs
  • Optional Hardwood Case available

Looking for a Block made from an exotic alloy?  You’ve come to the right place!  If you don’t see what you need, please contact us!

We can offer many Steels (Carbon and Alloy), Stainless Steels, Nickel Alloys, Titanium Alloys, Aluminum Alloys, Copper Alloys, Cast Irons, Zirconium and others!


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