MIL-DTL-22438C
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
- Connectors, Electrical, Circular Threaded, AN Type, General Specification
For.
(Copies of this document are available at https://www.sae.org/ or from SAE International, 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 item requirements shall be as specified herein and in
accordance with the applicable specification sheet. In the event of any conflict between the requirements
of this specification and the specification sheet, the latter shall govern.
3.2 First article.. When specified (see 6.2), the contractor shall furnish one receptacle panel for first
3.3 Material. The material for each part shall be as specified herein. However, when a definite
material is not specified, a material shall be used which will enable the receptacle panels to meet the
performance requirements of this specification.
3.3.1 Restricted material. Flammable or explosive material, or material which can produce toxic or
suffocating fumes shall not be used. Mercury in any form shall not be used in shipboard equipment,
including materials and parts.
3.3.2 Finishes and plating. The use of pure tin as an underplate or final finish is prohibited both
internally and externally. Tin content shall not exceed 97 percent, by mass. Tin shall be alloyed with a
minimum of 3 percent lead, by mass (see 6.4).
3.3.2 Metals. Current-carrying parts and terminal posts shall be copper alloy. Other metal posts shall
be either noncorrosive or shall be treated, coated, or plated in accordance with MIL-E-917.
3.3.2.1 Dissimilar metals. Dissimilar metals in contact with each other shall be in accordance with the
requirements of MIL-E-917.
3.3.3. Terminal board insulating materials.
3.3.3.1 Plastics, laminated. Laminated plastic material shall be glass base laminated plastic in
accordance with MIL-E-917.
3.3.3.2 Plastics, molded. Molded terminal boards shall be made of glass fiber reinforced thermosetting
molding compounds in accordance with MIL-E-917.
3.3.3.3 Flashing. Flash shall be removed from molded parts and the width of the flash edges made
thereby shall be not greater than 1/32 inch. Flash edges shall be buffed smooth.
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