NAVSHIPS Ultrasonic Test Block

NVSHIPS block is used for distance amplitude correction, sensitivity levels and flaw depth information.

Used for distance amplitude correction, sensitivity levels and flaw depth information. Contains six 3/64’’ diameter side-drilled through-holes at distances of 0.250’’ to 2.750’’ in 0.250’’ increments, and an additional near-surface hole at 0.125’’. MTDs are engraved near both scan edges on one face. In accordance with NAVSEA TECH PUB #T9074-AS-GIB-010/271, Figure 6-7.