Model: 278702PC11

Optical Instrument Lens

Properties:

Diameter
2.283 inches
Axial Thickness
0.345 inches and 0.276 inches
Compound Lensaxial Thickness
0.622 inches
Compound Lens Edge Thickness
0.577 inches
Equivalent Focal Length
27.562 inches
Back Focal Length
27.169 inches
Front Focal Length
27.559 inches
Refraction Index
1.5170 and 1.6170
Abbe Constant
64.500 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-11.681 inches and 13.078 inches
Element Right Surface Radius
-11.681 inches and 116.157 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Fire control, range finder mk 37 mod 5
NSN
6650-00-026-8135
Part Number
278702PC11
Description
Lens,optical Instrument
CAGE
53711

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 278702PC11 NSN 6650-00-026-8135

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
05
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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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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