MIL-DTL-3643 Connectors, Coaxial, Radio Frequency, Series Hn, And Associated Fittings, General Specification ForThis specification covers the general requirements for weatherproof, series HN-radio-frequency, coaxial connectors and associated fittings. These connectors have a nominal impedance of 50 ohms, an operating voltage of 1,500 volts root mean square, and a nominal operating frequency range of 0 to 10,000 MHz \(see 6.1 and 6.3\).

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MIL-DTL-3643B

INSTITUTE FOR INTERCONNECTING AND PACKAGING ELECTRONIC CIRCUITS

J-STD-006

Electronic Grade Solder Alloys and Fluxed and Non-Fluxed Solid Solders for

Electronic Soldering Applications, Requirements for.

(Applications for copies should be addressed to the institute for Interconnecting and Packaging

Electronic Circuits, 2215 Sanders Road, Northbrook, IL 60062.)

SOCIETY OF AUTOMOTIVE ENGINEERS

SAE-AS8660

Silicone Compound NATO Code Number S-736.

SAE-AMS-H-7199

Heat Treatment of Wrought Copper-Beryllium Alloys, Process for

(Copper Alloys: Numbers C17000, C17200, C17300, C17500 and

C17510).

SAE-AMS-QQ-N-290 -

Nickel Plating (Electrodeposited).

SAE-AMS-QQ-P-416 -

Plating, Cadmium (Electrodeposited).

(Applications for copies should be addressed to the Society of Automotive Engineers, Inc., 400

Commonwealth Drive, Warrendale PA, 15096-0001.)

2.4 Order of precedence. In the event of a conflict between the text of this document and the

references cited herein (except for related specification sheets), the text of this document takes

precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a

specific exemption has been obtained.

3. REQUIREMENTS

3.1 Specification sheets. The individual part requirements shall be as specified herein and in

accordance with the applicable specification sheets. In the event of any conflict between the

requirements of this specification and the specification sheet the latter shall govern.

3.2 Material. The material shall be as specified herein (see 3.1). However, when a definite material is

not specified, a material shall be used which will enable the connectors and associated fittings to meet

the performance requirements of this specification. Acceptance or approval of any constituent material

shall not be construed as a guaranty of the acceptance of the finished product.

3.2.1 Brass. Brass shall be in accordance with ASTM B16, ASTM B36, ASTM B121 or ASTM B124.

3.2.2 Copper beryllium. Copper beryllium shall be in accordance with ASTM B194, ASTM B196 or

ASTM B197. After machining and forming, parts fabricated of copper beryllium shall be heat-treated to

condition HT in accordance with SAE-AMS-H-7199.

3.2.3 Phosphor bronze. Phosphor bronze shall be in accordance with composition A of ASTM B139.

3.2.4 Plastic. Plastic shall be in accordance with type E-2 of L-P-516, and shall show no visible flaws

or cracks.

3.2.5 Silicone rubber. Silicone rubber shall be in accordance with class 2A, grade 50 or 60, of

A-A-59588, except oil-immersion test is not applicable.

3.2.6 Silver solder. Silver solder shall be in accordance with class 1 of QQ-B-654.

3.2.6.1 Flux. Flux used while silver soldering shall be in accordance with O-F-499.