MIL-C-21676 Mine Case Mark 36 Mod 2

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MIL-C-21679(NOrd)

3.1.4 Interchangeability. - Component parts of assembled

units (unless otherwise specified on the applicable drawings)

fabricated in strict agreement with their applicable draw-

ings shall be interchangeable and shall assemble with mating

components of the unit without selection or fitting. If,

during assembly of the fabricated parts of a unit, selection

or fitting is required and changes in dimensions are necessary,

no changes in the parts as delineated on applicable drawings

shall be made without prior approval of the Bureau of Ordnance.

3.1.5 Conflicting requirements. - Conflicting require-

ments arising between this specification and any other speci-

fications, publications or drawings listed herein shall be

referred in writing to th e procuring agency or appointed agent

for interpretation and clarification.

3.2 Performance requirements and product characteristics.

The mechanism covered by this specification shall meet the

following performance requirements and product characteristics.

3.2.1 Soldering. - Unless otherwise specified, solder-

ing processes shall conform to the requirements specified in

Military Specification MIL-S-6872. Electrical connections

shall be mechanically secure before soldering wherever possible.

Only rosin flux containing no acid shall be used. The use of

rosin-core solder is permitted.

3.2.2 Lubrication. - Special purpose oils, which have

been tested and. accepted, shall be used to lubricate the

Mainspring and the Gear Train. See 6.2 and 6.3.

3.2.3 Assembly nuts. - Before tightening the nuts which

secure the case, the nuts for the pillar studs which pro-

trude from the bottom plate shall be secured with a torque

of 10.5 �.5 pound-inches.

CAUTION: These nuts should not be loosened until

the mechanism is ready for final assembly on a

clock starter.

All other No. 8 nuts shall be secured with a torque of 10.5

�.5 pound-inches with the exception of the cover retaining

nuts-which shall be secured with a torque of 4.5 �.5 pound-

inches. See 4.6.1.2.

3.2.4 Components. - The following specific requirements

apply to the indicated-components.