MIL-PRF-49065F
3.
REQUIREMENTS
3.1 Description. The AN/PVS-5( ) Night Vision Goggles consists of a goggle
assembly, a carrying case, a shipping/storage case, and ancillary equipment. The
goggle assembly, which is referred to hereinafter as the assembly, is a
lightweight, headmounted, self-contained night vision system containing two
monocular units comprising a binocular system. Each monocular unit consists of
an objective lens assembly, an image intensifier assembly, and an eyepiece
assembly. The frame, containing the two monocular units, is mounted to a face
mask assembly which is held by head straps to the user's head. The assembly
incorporates an infrared (IR) light emitting diode (LED) assembly which provides
illumination, when required, to permit close-in-viewing; the assembly also
incorporates a highlight shutdown detector which turns off the assembly in a
specified time range when exposed to a specified light level range. The assembly
permits the user to view at ranges of ten inches to infinity by means of a focus
adjustment.
3.2 Construction. The assembly shall be constructed to comply with the
performance requirements in the contract, drawing SM-D-657500 as applicable, and
as specified herein.
3.3 First article test inspection. When specified in the contract or
purchase order, the contractor shall furnish assemblies for first article test
(FAT) inspection and approval (see 6.2.e).
3.4 Parts and materials. The contractor shall select parts and materials
fully capable of meeting all operational and environmental requirements specified
herein. The materials specified on the applicable drawings are recommended, but
not mandatory. Verification that the assembly meets the overall performance
requirements shall be the governing acceptance standard.
3.5 Major components. Requirements for conformance inspection shall be as
specified in the contract or purchase order (see 6.2.e).
3.5.1 Demisting shield assembly. The demisting shield assembly shall be in
accordance with drawing SM-C-657428 as applicable.
3.5.2 Lens assembly, objective. The objective lens assembly shall be in
accordance with MIL-PRF-49157 and drawing A3144480 as applicable.
3.5.3 Lens assembly, eyepiece. The eyepiece lens assembly shall be in
accordance with MIL-PRF-49156 and drawing SM-C-804193 as applicable.
3.5.4 Image intensifier assembly. The image intensifier assembly shall be
in accordance with MIL-PRF-49052 and drawing SM-D-657310 as applicable.
3.5.5 Frame assembly. The frame assembly shall be in accordance with
drawing SM-D-657337 as applicable.
3.5.6 Face Mask assembly. The face mask assembly shall be in accordance
with drawing A3139220 as applicable.
3.5.7 Cushion assembly, face. The face cushion assembly shall be in
accordance with drawing SM-D-657302 as applicable.
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