Model: 7577957

Optical Instrument Lens

Properties:

Diameter
1.311 inches
Axial Thickness
0.123 inches and 0.289 inches
Compound Lensaxial Thickness
0.412 inches
Compound Lens Edge Thickness
0.319 inches
Equivalent Focal Length
5.502 inches
Front Focal Length
5.303 inches
Refraction Index
1.6490 and 1.5170
Abbe Constant
33.800 and 64.500
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
7.317 inches and 2.252 inches
Element Right Surface Radius
-2.252 inches and -3.374 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Periscope, m16h, integrated with fire control equipment
NSN
6650-00-757-7957
Part Number
7577957
Description
Lens,optical Instrument
CAGE
19200

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 7577957 NSN 6650-00-757-7957

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
057940
UFC:
33020
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical 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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