D38999/49 Defense Supply Center, D38999/49 Datasheet - Page 35

• Manufacturer Part Number: D38999/49
• Description: D38999K / D38999J 500 Cycle Contact
• Manufacturer: Defense Supply Center

shall not be delivered on the contract or purchase order.
corrective action on the materials or processes or both, as warranted, and on all units of product which are
to be corrected and which were manufactured with essentially the same materials and processes, and
which are considered subject to the same failure. Acceptance and shipment of the product shall be
discontinued until corrective action acceptable to the qualifying activity has been taken. After the corrective
action has been taken, group C inspection shall be repeated on additional sample units (all inspections, or
the inspection which the original sample failed, at the option of the qualifying activity). Groups A and B
inspections may be reinstituted; however, final acceptance shall be withheld until the group C reinspection
has shown that corrective action was successful. In the event of failure after reinspection, information
concerning the failure shall be furnished to the cognizant inspection activity and the qualifying activity.
testing or failed resubmission shall not be shipped and the "JAN" marking shall be removed within 30 days.
examined to ensure conformance with the specification and the applicable military standards (see 3.1, 3.3,
3.4, 3.5, 3.43, and 3.44). The contractor may use in-process controls to satisfy these requirements.
3.1, 3.3, 3.4, 3.5, and 3.44). The contacts shall be inspected through a device having a magnification
power of approximately three diameters. The contractor may use in-process controls to satisfy these
requirements.
typical operating conditions and applications. Alternate commercial industry standard test methods are
allowed when determined to provide equivalent results; however when an alternate method is used, the
qualifying activity must be notified prior to the performance of the test. The test methods described herein
are proven methods and shall be the referee methods in case of dispute.
method 2002 of MIL-STD-1344. The following detail shall apply: Installing/removal tool shall be in
accordance with MIL-I-81969/8 and MIL-I-81969/14. A minimum of 20 percent, but not less than three
contacts of each connector shall be tested. Fifty percent of maintenance aging shall be performed with
MIL-I-81969/8 tools and fifty percent with MIL-I-81969/14 tools. There shall be no lubricant used during this
test.
thermal shock in the following manner:
4.4.2.1.4 Disposition of sample units. Sample units which have been subjected to group C inspection
4.4.2.1.5 Noncompliance. If a sample fails to pass group C inspection, the manufacturer shall take
4.4.3 Failures of groups A, B, or C. Lots which fail groups A, B, or C and are not resubmitted for
4.5 Methods of inspection.
4.5.1 Visual and mechanical examination.
4.5.1.1 Connectors. The connectors, accessories, and piece parts shall be visually and mechanically
4.5.1.2 Contacts (hermetics only). The contacts shall be visually examined for mechanical defects (see
4.5.1.3 Test methods. The following identified tests and methods assure connector integrity within
4.5.2 Maintenance aging (except hermetics) (see 3.6). Connectors shall be tested in accordance with
4.5.3 Thermal shock (hermetics only) (see 3.7). Unmated receptacles shall be subjected to 10 cycles of
a. Step 1. The receptacle shall be suspended for 10 +1, -0 minutes in the center of a cold water
b. Step 2. The receptacle shall be suspended for 10 +1, -0 minutes in the center of a hot water bath
bath with a volume of approximately 1 cubic foot. No dimension of the bath shall be less than 10
inches (254.0 mm). The water temperature shall not exceed +4 C.
with a volume of approximately 1 cubic foot. No dimension of the bath shall be less than 10
inches (254.0 mm). The water temperature shall not be less than +90 C.
MIL-DTL-38999K
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