Model: 278694PC14

Optical Instrument Lens

Properties:

Diameter
5.0 millimeters
End Application
Rangefinder mk57
Axial Thickness
2.2 millimeters and 1.1 millimeters
Compound Lensaxial Thickness
3.3 millimeters
Equivalent Focal Length
2.700 centimeters
Back Focal Length
2.720 centimeters
Front Focal Length
2.760 centimeters
Refraction Index
1.5725 and 1.6170
Abbe Constant
57.400 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
22.1 millimeters and -8.5 millimeters
Element Right Surface Radius
8.5 millimeters and 30.7 millimeters
Material
Glass, optical, jan-g-174
Material
Glass, optical, jan-g-174
NSN
6650-00-155-1764
Part Number
278694PC14
Description
Lens,optical Instrument
CAGE
64804

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 278694PC14 NSN 6650-00-155-1764

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:
058110
UFC:
33110
LTL:
200.0
LCL:
--
WCC:
653
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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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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