Model: 278703PC12

Optical Instrument Window

Properties:

Diameter
Between 39.800 millimeters and 40.000 millimeters
Thickness
Between 3.300 millimeters and 3.700 millimeters
Surface Finish
Polished
Bevel Depth
1.400 millimeters
Refraction Index
1.5170
Polished Surface
Both
Dispersion
64.5 angstroms
Reflection Reducing Surface
Both
Polished Periphery
Not provided
Bevel Angle In Deg
Between 44.8333 and 45.1667
Material
Glass, optical, jan-g-174, type 517-645, grade c
Material
Glass, optical, jan-g-174, type 517-645, grade c
Fsc Application Data
Rangefinder mk 37 mods 5 and 6
NSN
1240-00-171-4160
Part Number
278703PC12
Description
Window,optical Instrument
CAGE

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Part 278703PC12 NSN 1240-00-171-4160

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10908
FIIG:
T271-F
Concept No.:
App. Key:
FA
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
086700
UFC:
45955
LTL:
RATING VARIABLE
LCL:
--
WCC:
704
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Schedule B and Export
  • Schedule B: 9803200000
  • SITC: 93100
  • End Use: Military apparel and footwear
  • NAICS: 990000
  • USDA: 1

Freight Class: Military equipments not identified by kind

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