6650-00-768-8771 ( 7688771 )

NSN Information
NSN FSC NIIN Item Name INC
6650-00-768-8771 6650 007688771 LENS,OPTICAL INSTRUMENT 2188
NSN Features
MRC Parameter Characteristics
BMMT BACK FOCAL LENGTH -0.961 INCHES
BMMZ ABBE CONSTANT 30.900
BMMS EQUIVALENT FOCAL LENGTH -0.927 INCHES
FEAT SPECIAL FEATURES LEFT SURFACE EDGE CHAMFER 0.010 TO 0.020 IN. BY 45 DEG. RIGHT SURFACE EDGE CHAMFER 0.050 TO 0.060 IN. BY 45 DEG. BOTH SURFACES COATED WITH MAGNESIUM FLUORIDE. RIM AND CHAMFERS GROUND.
BMSB SINGLE LENS STYLE DOUBLE CONCAVE
CTKX ELEMENT RIGHT SURFACE RADIUS 0.860 INCHES
BMMX REFRACTION INDEX 1.6890 NOMINAL
BMLY AXIAL THICKNESS 0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM
ZZZV FSC APPLICATION DATA PERISCOPE,TANK
CTKW ELEMENT LEFT SURFACE RADIUS 2.774 INCHES
MATL MATERIAL GLASS, OPTICAL, MIL-G-174, GRADE C, TYPE 689-309
ABMZ DIAMETER 1.097 INCHES MINIMUM AND 1.100 INCHES MAXIMUM
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
7688771 19200 A 2 3 1 BF
Manufacturers
Part SKU Cage Manufacturer Type Status
7688771 19200 U S ARMY ARMAMENT RESEARCH & A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
A 0 X D 01/01/1 N 9018500000 2188
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
Management Control Army
MATCAT 1 MATCAT 2 MATCAT 3 MATCAT 4 5 ARC
Freight
NMFC NMFC SUB UFC HMC LTL LCL WCC TCC SHC ADC ACC ASH NMF DESC
057940 Z 33020 FF W W 744 Z 9 A M Z LENSES OPTICAL NOI