MIL-DTL-15743 Switches, Rotary, EnclosedThis specification covers enclosed snap action, spring return, positive detent, multipole and selection rotary switches.

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MIL-DTL-15743E

3.4.7 Fuseholders. Fuseholders shall conform to MIL-PRF-19207. The type shall be as specified

3.4.8 Fuse base. The fuse base shall be of glass melamine conforming to type GME of MIL-I-24768/1

or shall be a material selected from laminates specified in MIL-E-917 provided they meet the electrical

and mechanical requirements (see 3.1). The laminates shall be furnished in natural color.

3.4.9 Terminal assemblies. Where specified (see 3.1), terminal assemblies and buses shall be in

accordance with Drawing 9000-S6202-73055.

3.4.10 Glands and bushings. Glands and bushings shall be of the same material as the basic

enclosure.

3.4.11 Lamps. Lamps shall be of the incandescent type conforming to industry number 1769. Unless

otherwise specified (see 6.2), lamps shall not be furnished.

3.4.12 Light indicators and target cap assemblies. Light indicators and cap assemblies shall conform

to MIL-L-3661. The style shall be as specified (see 3.1).

3.4.13 Cable clamps. When specified (see 3.1) commercial nylon cable clamps shall be furnished.

3.4.14 Wire terminals. When specified (see 3.1), wire terminals shall conform to MIL-T-16366.

3.4.15 Wire. When specified (see 3.1), wire shall conform to MIL-DTL-16878.

3.4.16 Preformed packing (O-rings). O-rings shall be in accordance with SAE-AS28775, of the sizes

as specified (see 3.1), and shall be lubricated with silicon compound conforming to SAE-AS8660 at time

of assembly.

3.4.17 Mounting parts. Unless otherwise specified (see 3.1), mounting parts such as angles, pads,

brackets, straps and studs shall be of the same material as the basic enclosure.

3.5 Design and construction. Enclosed rotary switches shall be of the design, construction, and

physical dimensions specified (see 3.1).

3.5.1 Enclosures. Enclosures shall be in accordance with MIL-E-24142 or shall be modified versions

of MIL-E-24142 enclosures (see 3.1). After drilling holes in the enclosure, the openings shall be returned

to the level of effectiveness of enclosure with replaceable seals. When not specified (see 3.1), seals may

be manufacturer's choice, provided the completed enclosure meets the applicable effectiveness of

enclosure requirement.

3.5.1.1 Cable entrance. When specified (see 3.1), cable entrance into unit enclosures shall be by

means of stuffing tubes conforming to MIL-S-19622. Unless otherwise specified (see 3.1 and 6.2),

stuffing tubes, packing, and holes for stuffing tubes shall not be provided.

3.5.2 Switch orientation and mounting. Switch orientation within the enclosure shall be as specified

(see 3.1). Switch mounting shall be such as to prevent switch movement on or lateral to the mounting

centerline. For base mounted switches, balance pads secured to the enclosure may be used as

required. Switches may be mounted on pads brazed directly to the enclosure or on angles, straps, plates

or a combination thereof. The actual method of mounting the switch within the enclosure shall be

manufacturer's choice except switches shall not be modified to suit mounting.