Model: 278694PC2

Optical Instrument Lens

Properties:

Diameter
Between 38.7 millimeters and 39.2 millimeters
End Application
Rangefinder mk57
Axial Thickness
8.2 millimeters and 4.0 millimeters
Compound Lensaxial Thickness
12.2 millimeters
Equivalent Focal Length
36.360 centimeters
Back Focal Length
36.400 centimeters
Front Focal Length
35.040 centimeters
Refraction Index
1.5170 and 1.6210
Abbe Constant
64.800 and 36.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
186.2 millimeters and -155.5 millimeters
Element Right Surface Radius
155.5 millimeters and 1001.8 millimeters
Material
Glass, optical, jan-g-174
Material
Glass, optical, jan-g-174
NSN
6650-00-155-1361
Part Number
278694PC2
Description
Lens,optical Instrument
CAGE
10001

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.

Part 278694PC2 NSN 6650-00-155-1361

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21884
FIIG:
T271-E
Concept No.:
1
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
057940
UFC:
33020
LTL:
RATING VARIABLE
LCL:
--
WCC:
653
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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