MIL-DTL-19595D
3.2 First Article. As specified in the contract, the contractor shall furnish first article items of each
equipment type for first article testing and acceptance to the Naval Explosive Ordnance Disposal
Technology Division (see 3.1). First article items shall be tested 100% in accordance with the test methods
specified herein.
3.3 Production Lot. All production lot items shall meet the test limits of this specification, prior to
acceptance by the Government. 100% of production lot items shall be tested by NAVEODTECHDIV.
3.4 Magnetic Effects of Non-Electrical Items. The change in flux density of the background magnetic field
shall not exceed 5 gamma, also referred to as 5 nT (nanoTeslas), for each test when the items are tested in
accordance with 4.2.1 and 4.2.3.
3.5 Magnetic Effects of Electrical Items. If the final assembly (operating item) has electrical circuits, the
change in flux density of the background magnetic field shall not exceed 5 gamma for each test when the
items are tested in accordance with 4.2.1, 4.2.2 and 4.2.3.
3.6 Eddy Current Generated Field Limits. Eddy current generated field shall not exceed 5 gamma when the
item is tested in accordance with 4.2.3. For electrical items, eddy current tests will be conducted with the
items powered on and off.
3.7 Station Magnetometer. A calibrated, model HSM-2 Station Magnetometer shall be used to conduct
magnetic effects testing specified in paragraphs 4.2.1.2 and 4.2.3.1. The test distances specified in this
document are the distances from the center of the HSM-2 Station Magnetometer's active sensor element to
the surface of the test item. When establishing the test distance, the maximum variation is " 0.25 inch.
3.8 Magnetic Idealization Generators. The MK 21 Mod 1 or MK 79 Mod 0 Magnetic Idealization
Generator shall be used to perform Magnetic Idealization and Demagnetization functions as specified in
paragraphs 4.2.1.1 and 4.3.
3.9 Item Categorization. All test items are categorized as either contact or non-contact and further
categorized as a component, special test distance component or an assembly. The item categorization
determines the HSM-2 Magnetometer sensor's standoff test distances.
3.10 Rejection and Resubmission. If the magnetic effect of any item exceeds the limits of 3.4, 3.5 or 3.6, it
shall be rejected. If the contractor can correct the rejected item, the item may be resubmitted for
acceptance testing.
3.11 Identification. Each item that meets the requirements of this specification shall be permanently
marked with the low-mu symbol, test date (month/year), and facility identification, by the approved,
authorized test facility (see 4.1). Equipment that is too small or cannot otherwise be permanently marked
shall be tagged or placed in sealed bags that are appropriately marked.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are as follows:
a. First article inspection (see 4.1.2)
b. Quality conformance inspections (see 4.1.3)
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