MIL-PRF-38715B
MIL-STD-810, Blowing Rain and Drip. After the test, the indicator shall be examined to
ascertain that no water has entered the indicator
4.5.10 Humidity The indicator shall be mounted in its normal operating position in a
.
chamber. The test shall be performed in accordance with Method 507, Procedure I of MIL-STD-
810, Natural. After the test, the indicator will be examined to ascertain that corrosion is not
present and subsequent operation is not adversely affected.
4.5.11 Fungus. The indicator, including applicable external connections, shall be subjected to
the action of fungi in accordance with Method 508.4, Procedure I of MIL-STD-810. After the
test, the indicator shall be examined to ascertain that no fungus growth has occurred. At the
option of the inspector, tests in addition to the above may be made to determine that there has
been no deterioration which would adversely affect subsequent operation.
4.5.12 Salt. The indicator shall be subjected to salt spray in accordance with Method 509.3,
Procedure I of MIL-STD-810. Evidence of corrosion or discoloration of any part of the indicator
shall constitute failure of the indicator to pass this test.
4.5.13 Vibration. The indicator shall be subjected to vibration in accordance with Method
514.4, Procedure I of MIL-STD-810, Basic Transportation. There shall be no looseness in the
mechanism nor damage to any part of the indicator, as a result of the vibration. The indicator
shall be securely mounted on a vibration table during this test. The indicator shall then be tested
for scale accuracy (4.5.2).
4.5.14 Endurance. The indicator shall be operated for 24 hours at 25% of the LEL with
methane (or a government approved substitute) and air. The indicator shall be serviceable for a
continuous period of at least 8 hours. The indicator shall be serviceable and accurate within the
limits specified for scale accuracy in 4.5.2, at the end of the 24 hour period.
4.5.15 Shock. The indicator shall be subjected to shock in accordance with Method 516.4,
Procedures I and III of MIL-STD-810, Functional Shock and Fragility. The indicator shall then be
tested for scale accuracy (4.5.2).
4.5.16 Explosive resistance Documentation shall be provided for each type indicator that
.
proves it is intrinsically safe for Class I, Division 1, Group A, B, C and D locations (as defined by
National Fire Protection Association Code 70 Article 500).
5. PACKAGING
5.1 Packaging For acquisition purposes, the packaging requirements shall be as specified in the
.
contract or order (see 6.2). When actual packaging of materiel is to be performed by
DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control Point's
packaging activity within the Military Department or Defense Agency, or within the Military
8
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business