MIL-DTL-3607C
4.5 Methods of examination and test.
4.5.1 Visual and mechanical examination. Connectors shall be examined to verify that the design,
construction, physical dimensions, marking and workmanship are in accordance with the applicable
requirements. (see 3.1, 3.3 to 3.3.4, incl, 3.7, and 3.8)
4.5.1.1 Gage tests for contacts of rubber-insert type (piece parts)
4.5.1.1.1 Center contacts (female). The center contacts shall be subjected to the gage tests specified in
4.5.1.1.1.1 and 4.5.1.1.1.2, as applicable, prior to assembling the center contact in the connector. The
pins used in the performance of these tests may be tapered at their ends to facilitate insertion, but the
tapered portions shall not be included in the specified dimensions (see 3.3.3.1).
4.5.1.1.1.1 Test 1. A pin 0.098 inch minimum in diameter shall be inserted into the center contact to a
depth of not less than .187 inch, and then removed. All four contact members shall make contact with a
pin 0.072 inch maximum in diameter, within 1/32 inch of their tip ends, when this pin is inserted to a
minimum depth of 3/16 inch.
4.5.1.1.1.2 Test 2. When a pin 0.082 inch minimum in diameter is inserted to a minimum depth of .25
inch, the contact shall pass through a cylindrical hole 0.128 inch maximum in diameter and ½ inch
minimum in length, when a maximum force of 2 pounds is applied. This test shall be applied only to
those connectors with removable female contacts.
4.5.1.2 Gage test for contacts of rubber-insert type (assembled connectors).
4.5.1.2.1 Center contacts (female). The center contacts shall accept a pin 0.072 inch diameter, when a
minimum force of 1 pound is applied (see 3.3.3.1).
4.5.1.2.2 Outer contacts. The outer contacts assembled to the body shall be subjected to the gage test
specified in 4.5.1.2.2.1 And 4.5.1.2.2.2 (see 3.3.3.2).
4.5.1.2.2.1 Test 1. All contact fingers of the outer spring of the plug shall make contact with a ring having
a minimum inside diameter of 0.820 inch when this ring is placed over the assembly of the body and
spring.
4.5.1.2.2.2 Test 2. The outer contacts shall be inserted into a polished sleeve 0.810 inch maximum in
inside diameter to a minimum depth of .437 inch. The contacts shall then disengage from the sleeve
when a maximum pressure of 4 pounds is applied.
4.5.1.3 Outer contact solder joint. A withdrawal force of 25 pounds shall be applied to the outer contact.
The force shall be applied to and in the direction away from the connector body and along the longitudinal
axis (see 3.3.3.2.1).
4.5.1.4 Assembly and rotation. The assembled coupling nut shall be subjected to a force of 100 pounds
gradually applied relative to and in a direction from the connector body and along a longitudinal axis. A
torque shall then be applied to the coupling nut about the axis of symmetry. The torque shall be
measured with a 0-2 inch-pound torque wrench (see 3.3.4).
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