VVS-2\(V\).

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MIL-PRF-49147D(CR)

2.1.2 Reference documents, drawings and publications. The following

other Government documents, drawings and publications form a part of this

document to the extent specified herein. Unless otherwise specified, the

issues are those cited in the solicitation (see 6.2.c).

DRAWINGS

USA COMMUNICATIONS - ELECTRONICS COMMAND

SM-D-771327

Lens Assembly Eyepiece

(Copies of specifications, standards, drawings and publications required

by contractors in connection with specific procurement functions should be

obtained from the procuring activity or as directed by the contracting

officer.)

2.2 Order of precedence. In the event of a conflict between the text

of this document and the references cited herein, the text of this document

takes precedence. Nothing in this document, however, supersedes applicable

laws and regulations unless a specific exemption has been obtained.

REQUIREMENTS

3.1 Description. The eyepiece is mounted to and is part of the Viewer,

Driver's Night Vision AN/VVS-2(V).

3.2 Construction. The eyepiece shall be constructed to assure

compliance with the contract configuration baseline and in accordance with SM-

D-771327 as applicable.

3.3 First article testing (FAT). When specified in the contract or

purchase order (see 6.2.e and 6.2.g) the contractor shall furnish eyepieces

for FAT inspection and approval (see 4.2).

3.4 Materials. The contractor shall select parts and materials that

are fully capable of meeting all operational and environmental requirements

specified herein. The materials specified in the applicable drawings are

recommended, but not mandatory. Selection criteria of the class, grade or

type part shall ensure the material will be able to perform its intended

function when it is assembled. Verification of the supplier meeting the

overall performance requirements shall be the governing acceptance standard.

Recovered materials shall be used to the maximum extent possible.

3.5

Performance characteristics.

3.5.1 Diopter setting. The eyepiece shall be set at -2.0, +0.3/-0.1

diopter as viewed from a distance of 50 millimeters (mm) on axis when

installed on the AN/VVS-2(V).