USAF Eddy Current Standard (NDT Calibration Blocks)

NDE offers USAF Eddy Current Standard (NDT Calibration Blocks) in steel, aluminum, stainless steel, Titanium, and other alloys. Please browse our products to find the best one for you. If you have any questions about NDE and our EDDY CURRENT calibration test blocks, please contact us at +91-9043-660-755 or send an email to info@ndeflawtechnologies.com. Our knowledgeable customer service staff is happy to assist you.
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usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block 1018 Steel Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 4340 Steel, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block Titanium Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: Titanium, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block 7075-T6 Aluminum Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 7075-T6 Aluminum, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block 304 Stainless Steel Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 304 Stainless Steel, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block, 1018 Steel NDT ET Calibration Block (7405)

USAF General Purpose Eddy Current Standard Block, 1018 Steel


Navy Universal Eddy Current Standard.  A (3) plate assembly containing (20) fastener holes with a total of (71) EDM notches in various locations.
  • Overall Dimensions:  .875" thick x 4.0" wide x 7.0" long
  • Alloy:  6AL-4V Titanium
  • (20) Fastener Holes from .156 to .750" diameter.
  • (40) Corner notches, (20) Bore notches, (9) Surface notches, (1) Tapered notch, (1) Radius notch
  • All EDM notches are .004 ± .001 wide
  • Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-40.
  • P/N NRK-3T
USAF General Purpose Eddy Current Standard Block 1018 Steel Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 4340 Steel, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current Standard Block, Titanium, NDT ET Calibration Block (7408)

USAF General Purpose Eddy Current Standard Block, Titanium


Navy Universal Eddy Current Standard. A (3) plate assembly containing (20) fastener holes with a total of (71) EDM notches in various locations.
  • Overall Dimensions: .875" thick x 4.0" wide x 7.0" long
  • (20) Fastener Holes from .156 to .750" diameter.
  • (40) Corner notches, (20) Bore notches, (9) Surface notches, (1) Tapered notch, (1) Radius notch
  • All EDM notches are .004 ± .001 wide
  • Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-40.
  • P/N NRK-3X
  • Optional Wooden Case
  • Alloy: Test blocks are available in special and exotic alloys. Blocks can be machined in Titanium alloys, Inconel and other Nickel alloys, Alloy Steels, Stainless Steels, Aluminum, Copper-Nickels, Brasses, Cast Irons, refractory alloys such as Molybdenum and Tungsten, and many more. Let us build your next special alloy test block!
USAF General Purpose Eddy Current Standard Block Titanium Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: Titanium, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF General Purpose Eddy Current, Standard Block, 7075-T6 Aluminum NDT ET Calibration Block (7407)

USAF General Purpose Eddy Current, Standard Block, 7075-T6 Aluminum


Navy Universal Eddy Current Standard.  A (3) plate assembly containing (20) fastener holes with a total of (71) EDM notches in various locations.
  • Overall Dimensions:  .875" thick x 4.0" wide x 7.0" long
  • Alloy:  4340 Steel, bare
  • (20) Fastener Holes from .156 to .750" diameter.
  • (40) Corner notches, (20) Bore notches, (9) Surface notches, (1) Tapered notch, (1) Radius notch
  • All EDM notches are .004 ± .001 wide
  • Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-40.
  • P/N NRK-3S
USAF General Purpose Eddy Current Standard Block 7075-T6 Aluminum Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 7075-T6 Aluminum, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
usaf general purpose eddy current standard block 304 stainless steel ndt et calibration block
USAF, General Purpose, Eddy Current Standard Block, 304 Stainless Steel NDT ET Calibration Block (7406)

USAF, General Purpose, Eddy Current Standard Block, 304 Stainless Steel

Navy Universal Eddy Current Standard.  A (3) plate assembly containing (20) fastener holes with a total of (71) EDM notches in various locations.
  • Overall Dimensions:  .875" thick x 4.0" wide x 7.0" long
  • Alloy:  7075-T6 Aluminum (top and middle layer) and 7075-T73 (bottom later), anodized
  • (20) Fastener Holes from .156 to .750" diameter.
  • (40) Corner notches, (20) Bore notches, (9) Surface notches, (1) Tapered notch, (1) Radius notch
  • All EDM notches are .004 ± .001 wide
  • Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-40.
  • P/N NRK-3A
USAF General Purpose Eddy Current Standard Block 304 Stainless Steel Geometry: Overall Dimensions: 1.06" thick x 4.0" wide x 7.0" long Alloy: 304 Stainless Steel, clear anodized (20) Fastener Holes from .156 to .750" diameter. (40) Corner notches, (20) Bore notches, (4) Surface notches (1) Tapered notch, (1) Radius notch All EDM notches are .004 ± .001 wide Finished standard is anodized per MIL-A-8625 Manufactured IAW U.S.A.F. Tech Order 33B-1-1, Figure 4-39. NSN 6635-01-092-5129 and P/N 7947479-10.
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