New Mil Spec First (Front) Surface Mirror 110mm x 65mm Part number 10516757

Description

Mil Spec First (Front) Surface Mirror 110mm x 65mm and 5mm thick.  Mounting bracket attached. Mirror and bracket weighs 6.5 oz.
Originally designed for an Abrams Tank periscope assembly. Mirrors are still in padded sealed manufacturer packaging shown in last two photo.
National Stock Number:
6650-00-622-4886
Federal Supply Class:
6650
National Item Identification Number:
006224886
Description:
MIRROR,OPTICAL INSTRUMENT
Detail:
A MIRROR SPECIFICALLY DESIGNED FOR USE IN AN OPTICAL INSTRUMENT. ITS SURFACE MAY BE COATED TO REDUCE REFLECTION. EXCLUDES PRISM, OPTICAL INSTRUMENT.
Manufacturer Information:
8289180
U S ARMY ARMAMENT RESEARCH & DEVELOPMENT COMMAND
Techincal Specification:
BEVEL ANGLE IN DEG
42.000 MINIMUM AND 48.000 MAXIMUM
BEVEL DEPTH
0.014 INCHES NOMINAL AND 0.217 INCHES NOMINAL
BEVELED EDGE LOCATION AND QUANTITY
2 LONG AND 2 SHORT EDGES ON FRONTSURFACE; 2 LONG AND 2 SHORT EDGES ON BACK SURFACE
FSC APPLICATION DATA
PERISCOPE,TANK
LENGTH
6.490 INCHES MINIMUM AND 6.500 INCHES MAXIMUM
MATERIAL
GLASS, OPTICAL, MIL-G-174, GRADE D, TYPE 523-586
REFLECTIVE BACKING MATERIAL
ALUMINIZED
SPECIAL FEATURES
FRONT SURFACE REFLECTIVE. MIRROR BONDED TO A HOLDER.
THICKNESS
0.302 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
WIDTH
2.330 INCHES MINIMUM AND 2.340 INCHES MAXIMUM