MIL-DTL-23020C
DEPARTMENT OF DEFENSE SPECIFICATIONS
- Cables, Radio Frequency, Flexible and Semirigid, General Specification, For.
- Cable, Cord and Wire, Electrical (Shipboard Use).
(Copies of these documents are available online at https://assist.daps.dla.mil/quicksearch/ or
https://assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue,
Building 4D, Philadelphia, PA 19111-5094.)
2.3 Order of precedence. In the event of a conflict between the text of this document and the
requirements 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 sample. When specified (see 6.3), a sample shall be subjected to first article
inspection in accordance with 4.2.
3.3 General requirements. The requirements of MIL-DTL-17 apply as requirements of this
specification with the exceptions and additions specified herein. When the two specifications conflict, the
requirements of this specification shall govern.
3.4 Design and construction. The design, construction, and physical dimensions shall be as
specified in the specification sheets.
3.5 Materials. The cable shall be constructed of material as specified in the specification sheet.
When a specific material is not specified, it shall be of a type and quality to assure physical and electrical
compatibility with the requirements of this specification. Approval of any constituent material shall not be
construed as a guaranty of the acceptance of the finished product.
3.5.1 Waterproofing compounds. The cables procured in accordance with this specification shall be
watertight along the axis of the cable to the extent specified. In order to meet this requirement, a water
sealant, compound, or paste may be used as a filler, provided the cables so constructed meet all other
requirements. The waterproofing procedure shall be such that the individual wires of the outer conductor
(braid) are readily separable from the jacket, filler, and core, and the construction shall be such as to
maintain ease of attachment to standard connectors without significant degradation of electrical
characteristics as compared with similar assemblies using standard cables.
3.6 Dielectric. The dielectric shall make mechanically intimate contact with the inner conductor (or
conductors) so that no air film, air bubbles, or air voids are present. There shall be no marks or
imperfections on the core which would prevent proper sealing with an O-ring. The inner conductor shall
not be off-center more than 10 percent of the core radius.
3.7 Jacket thickness. The minimum jacket thickness shall be as specified in the specification sheet.
3.8 Abrasion. When tested as specified in 4.4.3, the cable shall withstand the number of revolutions
specified in the specification sheet prior to cut-through.
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