VVS-2\(V\).

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8

MIL-PRF-49147D(CR)

3.6.4

Shock.

3.6.4.1 Basic shock. The eyepiece shall not be damaged nor suffer

degradation of performance (see 3.10.1 and 3.10.4) after being subjected to

basic shock of 40g's (see 3.10.5) at 18 milliseconds.

3.6.4.2 Weapon shock. The eyepiece shall not be damaged nor suffer

degradation of performance (see 3.10.1 and 3.10.4) after being subjected to

simulated weapon firing shock of 100 g's (see 3.10.5)at 1.5 milliseconds one

half sine pulse.

3.7 Treatment and paintings. Treatment and painting shall be anti-

reflective, shall be rust resistant and as specified on applicable drawings

unless otherwise specified in the contract or purchase order.

3.8 Marking. Marking shall be in accordance with applicable drawings

unless otherwise specified in the contract or purchase order.

3.9 Workmanship. Standards of workmanship shall be such that the

eyepiece will meet all requirements of this specification and any referenced

specifications or drawings.

3.10 Technical interpretations. The following technical interpretations

are, when referenced in sections 3 or 4, mandatory for this specification.

3.10.1 Damage. Damage is defined as any breakage, loosening, shift,

dents, failure of any finish, hardware, connection, or component, or

condensation, fogging or moisture on any internal surface.

Ambient temperature is defined as +23�C,

3.10.2

Ambient temperature.

�

10�C.

3.10.3 Environmental temperature. Environmental chamber temperature

shall be controlled to within �5�C of the specified temperature unless

otherwise specified.

3.10.4 Degradation of performance. Any deterioration in quality, or

failure to operate in accordance with the requirements of this specification.

3.10.5 "g". "g" is defined as an acceleration or deceleration of 32.17

feet per second per second.

VERIFICATION

4.1

Classification of inspection.

Inspection shall be classified as

follows:

a. First article tests (4.2)

b. Conformance inspection (4.3)