MIL-PRF-22710 Switches, Code Indicating Wheel \(Printed Circuit\), Thumbwheel And Push-Button, General Specification ForThis specification covers the general requirements for illuminated and non-illuminated, thumbwheel \(see 6.4.1\), and push-button, printed circuit rotary switches having unsealed and sealed modules and the associated hardware. These switches are designed for low power alternating current \(ac\) and direct current \(dc\) switching applications for use in electronic and communication equipment. Procurement of switches and mounting hardware will require additional data, giving detailed electrical and mechanical requirements, tolerances, and applicable additions and exceptions to the general requirements and tests specified herein \(see 6.2\).

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MIL-PRF-22710H

2.3 Non-Government publications. The following documents form a part of this document to the extent specified

herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see

AEROSPACE INDUSTRIES ASSOCIATION (AIA)

Knobs-Control, Plastic (Round, Concentric, Pointer, Spinner, Spinner Slip-Clutch, Bar

Tactile, Knob Lock Pointer, Slip-Clutch, and Knob locks)

(Copies of these documents are available online at https://www.aia-aerospace.org/ or from the Aerospace Industries

Association (AIA), 1000 Wilson Boulevard, Suite 1700, Arlington, VA 22209-3901, telephone 703.358.1000.)

INTERNATIONAL ORGANIZATION FOR STANDARDS (ISO)

Measurement Management Systems - Requirements for Measurement Processes and

Measuring Equipment

Copies of these documents are available online at https://www.ansi.org or from the American National Standards

Institute (ANSI), 25 West 43rd Street 4 floor, New York, NY 10036, telephone 212.642.4900.)

SAE INTERNATIONAL

Markings For Aircrew Station Displays Design and Configuration of

(Copies of these documents are available online at https://www.sae.org or from Society of Automotive Engineers, 400

Commonwealth Drive, Warrendale, Pennsylvania, 15096-0001)

UNDERWRITERS LABORATORIES (UL)

Tests for Flammability of Plastic Materials for Parts in Devices and Appliances.

(Copies of these documents are available online at https://www.ul.com or from the Underwriters Laboratories, Inc., 333

Pfingsten Road, Northbrook, IL 60062-2002.)

2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the

text of this document and the references cited herein (except for related associated specifications, specification

sheets, and MS 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 requirements of this specification and the

specification sheet, the latter shall govern.

3.1.1 Switch types. Switches furnished under this specification shall be as defined in 3.1.2 or 3.1.3, respectively.

3.1.2 Switches covered by specification sheets and identified by PINs. Switches which are completely defined by a

specification sheet (see 3.1) shall be ordered in accordance with 6.2.1.

3.1.3 Switches covered by specification sheets, but not identified by PINs. For switches not covered by a PIN (see

1.2.1), the type designation (see 1.2.2) should be specified in the complementary documents, such as service

drawings or ordering data sheets (see 6.2.2). Such switches should be procured from sources listed on the Qualified

Products List (QPL) for the applicable style.