Part Number
Part Number:
NSN:
NIIN:
Item Name:
LENS , OPTICAL INSTRUMENT
Definition:
AN UNMOUNTED, TRANSPARENT, COLOR FREE LENS WHICH MAY BE TREATED WITH A LOW REFLECTION COATING TO INCREASE LIGHT TRANSMISSION. INCLUDES SINGLE AND COMPOUND ELEMENTS. FOR ITEMS HAVING TWO PLANE PARALLEL SURFACES, SEE WINDOW, OPTICAL INSTRUMENT. EXCLUDES RETICLE, OPTICAL INSTRUMENT.
CAGE Information
Code | Company |
---|---|
19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
BMMS | EQUIVALENT FOCAL LENGTH | 13.161 INCHES |
BMSD | INDIVIDUAL LENS STYLE | MENISCUS DIVERGING AND MENISCUS CONVERGING |
BMMZ | ABBE CONSTANT | 42.500 AND 60.500 |
BMMP | COMPOUND LENS EDGE THICKNESS | 0.562 INCHES NOMINAL |
BMLY | AXIAL THICKNESS | 0.158 INCHES NOMINAL AND 0.472 INCHES NOMINAL |
MATL | MATERIAL | GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE B |
BMMN | COMPOUND LENS OVERALL AXIAL THICKNESS | 0.630 INCHES NOMINAL |
CTKW | ELEMENT LEFT SURFACE RADIUS | 3.661 INCHES |
BMMT | BACK FOCAL LENGTH | 12.454 INCHES |
CTKX | ELEMENT RIGHT SURFACE RADIUS | 1.705 INCHES |
BMMX | REFRACTION INDEX | 1.5725 NOMINAL AND 1.5125 NOMINAL |
ZZZV | FSC APPLICATION DATA | PERISCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
ABMZ | DIAMETER | 1.900 INCHES NOMINAL |
BMSC | COMPOUND LENS STYLE | DOUBLET |