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MIL-DTL-28804 Connectors, Plug And Receptacle, Electric, Rectangular, High Density, Polarization Center Jackscrew, General Specification ForThis detail specification covers the general requirements for rectangular electrical connectors, with size 22, nonremovable, solder type contacts, and rear removable crimp type contacts, environment resistant and non-environment, intended for use in electronic and electrical equipment \(see 6.1 for restrictions on intended use and application\).

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MIL-DTL-28804D
TABLE IX. Qualification and periodic inspection (connectors).
Inspection
Requirement
Method
Test samples
paragraph
paragraph
1
2
3
4
5
6
7
8
9
1/
3.1, 3.3, 3.4,
Inspection of product
4.7.1
X
X
X
X
X
X
X
X
X
3.7, 3.7.1 and 3.8
3.6.1
Magnetic permeability 2/
4.7.2
X
X
3.6.2
Maintenance aging (crimp contact only)
4.7.3
X
X
3.6.3
Contact insertion and removal force
4.7.4
X
X
3.6.4
Mating and unmating force
4.7.5
X
X
3.6.5
Contact retention
4.7.6
X
X
X
X
Dielectric withstanding voltage 2/
3.6.6
At sea level
4.7.7.1
X
X
X
X
X
3.6.6
At altitude
4.7.7.2
X
X
X
X
X
3.6.7
Insulation resistance 2/
4.7.8
X
X
X
X
X
3.6.8
Contact resistance 1/
4.7.9
X
X
X
X
3.6.9
Contact engagement and separation force 1/
4.7.10
X
X
X
X
X
3.6.4
Mating and unmating force
4.7.5
X
X
X
X
X
3.6.10
Thermal shock
4.7.11
X
X
X
X
X
3.6.11
Humidity
4.7.12
X
X
X
X
X
3.6.6
Dielectric withstanding voltage
4.7.7
X
X
X
X
X
3.6.7
Insulation resistance
4.7.8
X
X
X
X
X
3.6.12
Vibration
4.7.13
X
X
X
X
X
3.6.13
Shock (specified pulse)
4.7.14
X
X
X
X
X
3.6.14
Durability
4.7.15
X
X
X
X
X
3.6.4
Mating and unmating force
4.7.5
X
X
X
X
X
3.6.9
Contact engagement and separation force
4.7.10
X
X
X
X
X
3.6.22
Altitude immersion (classes P and E)
4.7.23
X
X
X
X
X
3.6.15
Salt spray (corrosion)
4.7.16
X
X
X
X
X
3.6.4
Mating and unmating force
4.7.5
X
X
X
X
X
3.6.8
Contact resistance
4.7.9
X
X
X
X
X
3.6.5
Contact retention
4.7.6
X
X
X
X
3.6.16
Oversize pin exclusion 1/
4.7.17
X
X
X
X
3.6.8
Contact resistance 1/
4.7.9
X
X
X
X
3.6.17
Probe damage 1/
4.7.18
X
X
X
X
3.6.9
Contact engagement and separation force 1/
4.7.10
X
X
X
X
3.6.18
Fluid immersion 2/
4.7.19
X
X
X
X
X
3.6.4
Mating and unmating force 2/
4.7.5
X
X
X
X
X
3.6.19
Crimp contact deformation 1/ 2/
4.7.20
X
3.6.20
Contact pin strength 1/ 2/
4.7.21
X
3.6.21
Crimp tensile strength 1/ 2/
4.7.22
X
3.1, 3.3, 3.4, 3.7,
Inspection of product 1/ 2/
4.7.1
X
X
X
X
X
X
3.7.1 and 3.8
3.6.23
Resistance to soldering heat 2/ 3/
4.7.24
X
X
X
3.6.5
Contact retention 2/ 3/
4.7.6
X
X
X
3.6.24
Solderability (printed wiring tails only)
4.7.25
X
X
X
3.1, 3.3, 3.4, 3.7,
Inspection of product 2/ 3/
4.7.1
X
X
X
3.7.1 and 3.8
1/ When using previously qualified crimp contacts, these tests are not required.
2/ Not applicable for retention of qualification.
3/ Connectors with printed wiring tails only.
11



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