MIL-T-23824 Torpedo Beacon Light \(For Torpedo Mark 37 Mods O, 2, And 3\)This specification establishes the minimum requirements for the procurement of a Torpedo Beacon Light, NAVORD Drawing 695202, which is used in the exercise section of the Torpedo Mk 37 Mods 0. 2, and 3 to aid in the postrun location and recovery of the torpedo at the end of a night-time exercise run.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10

MIL-T-23824A(OS)

4.4.1.2 Altitude.

Normal ground.

None.

4.4.1.3 Vibration.

Room ambient to 95 percent relative (maximum).

4.4.1.4 Humidity.

4.4.2 Test and inspection equipment and facilities. The manufacturer

shall furnish and maintain all necessary test equipment and facilities

and shall provide personnel for performing all quality conformance tests.

The test equipment shall be adequate in quantity, and when definite re-

quirements are not specified it shall be of sufficient accuracy and quality

to permit performance of the required quality conformance tests.

4.4.3 Test equipment. The following items of test equipment are required

to perform the quality conformance tests set forth in this specification:

4.4.3.1 Light meter: Edgerton, Germeshausen, and Grier, Inc., a two-

unit system of; Model #560 Lite-Mike and Model #561 Detector Head, or equiv-

alent.

4.4.3.2 Power source as specified in 3.4.4 and equipped with a SPST

switch.

4.4.3.3 Stop watch or similar timing device.

4.4.3.4 Hydrostatic test fixture capable of applying an external hydro-

static pressure of 550 psig to the lens and surrounding surface of the

flashhead assembly including the O-ring. The external O-ring on the beacon

light shall affect the seal within the fixture. The fixture diameter in

the area of the O-ring seal shall be 4.003 - 4.005.

4.4.4 Test procedure. The torpedo beacon light shall be tested and

inspected in accordance with the following procedures:

4.4.4.1 Inspection. The contractor shall perform all necessary inspec-

tion procedures to ensure that the torpedo beacon light meets the require-

ments of 3.2.3 through 3.2.6, 3.4.1, 3.4.2, and Section 5 of this specifi-

cation.

4.4.4.2 Functional test

4.4.4.2.1 Pressure. Secure the torpedo beacon light

flashhead assembly

in the test fixture (4.4.3.4) and apply a hydrostatic

pressure of 550 plus

or minus 10 psig to the lens and surrounding surfaces

(see NAVORD Dwg

695202) for a period of 5 minutes. There shall be no

evidence of leakage

or deformation.