MIL-DTL-8971F
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. Qualification inspection (see 4.4).
b. Conformance inspection (see 4.5).
c. Retention of qualification inspection (see 4.7.1).
4.2 Inspection conditions. Gages and instruments used in qualification and conformance
inspections shall be properly calibrated in accordance with NCSL Z540.3 or ISO 10012.
Qualification inspections shall be performed in a draft-free room at a temperature of 68 to 86 ºF
(20 to 30 ºC), a relative humidity of 30 to 80 percent, and a barometric pressure of 81.3 to 105
kilopascals (kPa) (24 to 31 inches of mercury).
4.3 Test specimens. The manufacturer shall provide the necessary specimens to perform
all qualification and conformance testing. All specimens shall have been through the final
purification process with their associated lot prior to testing, and conform to the following:
c. Non-electrode test specimens shall be in accordance with 4.3.1.
4.3.1. Non-electrode test specimens. A non-electrode test specimen may be used in
testing of specified requirements (see table III). When a non-electrode test specimen is used, the
specimens shall be machined from the same batch of electrode raw stock used to manufacture the
lot of electrodes being inspected. In addition, the non-electrode test specimens shall be processed
through the final purification in the furnace with the electrodes being inspected.
8
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business