scope:

This specification covers the general requirements for thermal, time delay relays.

The military part number shall consist of the letter "M," the basic number of the specification sheet, and an assigned dash number (see 3.1) as shown in the following:

Relays covered by this specification shall be of the following levels and classes, as specified (see 3.1 and 6.2.2).

The shock level shall be in accordance with table I as specified (see 3.1 and 6.2.2). TABLE I. Shock level.

Level Test condition Applicable test method of MIL-STD-202 ----------------------------------------------------- 1 G 213 2 I 213 3 Hi-impact 207

The temperature class shall be in accordance with table II as specified (see 3.1 and 6.2.2). TABLE II. Temperature class.

Operating ambient Class temperature range, °C ------------------------------------------ A −55 to +85 B −65 to +125

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Space and Naval Warfare Systems Command, ATTN: SPAWAR 8111, Department of the Navy, Washington, DC 20363, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

The vibration levels shall be in accordance with table III as specified (see 3.1 and 6.2.2. TABLE III. Vibration level.

MIL-STD-202 ------------------ Level Acceleration value Frequency range Method Condition ---------------------------------------------------------------------- 1 10G 10 to 55 Hz 201 2 10G 10 to 500 Hz 204 A 3 15G 10 to 2000 Hz 204 B 4 20G 10 to 2000 Hz 204 D

intended Use: