MIL-DTL-3971 Meters, Time Totalizing, Non-Hermetically Sealed, Electrical: General Specification ForThis specification covers the general requirements for electrically operated nonhermetically sealed meters that automatically measure, and cumulatively register the total operating or idle time of the circuit, machine or system to which connected.

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MIL-DTL-3971F

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this

specification. This section does not include documents cited in other sections of this

specification or recommended for additional information or as examples. While every effort has

been made to ensure the completeness of this list, document users are cautioned that they must

meet all specified requirements documents cited in sections 3 and 4 of this specification, whether

or not they are listed.

2.2 Government documents.

2.2.1 Government specifications and standards. The following specifications, standards, and

handbooks 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 6.2).

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-DTL-3971/1

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Meters, Time Totalizing, Non-Hermetically Sealed,

Electrical; Type I, 10-40V or 40-130V or

10-130V; Grades A and B, 2 Hole and 3 Hole Flange

MIL-DTL-3971/2

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Meters, Time Totalizing, Non-Hermetically Sealed,

Electrical; Type II, 120V, 60 Hz and 120V, 400 Hz

Grades A and B, 2 Hole and 3 Hole Flange

DEPARTMENT OF DEFENSE STANDARDS

MIL-STD-202

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Test Method Standard Electronic and Electrical

Component Parts

MIL-STD-461

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Requirements for the Control of Electromagnetic

Interference Characteristics of Subsystems and Equipment

MIL-STD-810

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Environmental Engineering Considerations and Laboratory

Tests

MIL-STD-889

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Dissimilar Metals

(Copies of these documents are available online at https://assist.daps.dla.mil or from the

Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA

19111-5094.)

2.3 Non-government publications. The following document(s) form a part of this document

to the extent specified herein. Unless otherwise specified, the issues of this document is that

cited in the solicitation or contract (see 6.2).

AMERICAN NATIONAL STANDARDS INSTITUTE

ANSI/ASQ Z1.4

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Sampling Procedures and Tables for Inspection by

Attributes