D617-10-Q-1-D

Optical Flat

NSN 5210-01-161-1950

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
011611950

Detail Specifications

Diameter:
10.000 inches
Thickness:
Between 1.750 inches and 2.000 inches
Case:
Provided
Design Type:
Reference double
Working Surface Flatness Accuracy:
0.00000100 inches
Material:
Quartz, fused
Material:
Quartz, fused
NSN:
5210-01-161-1950
Item Name:
Optical Flat
Cage Code:
91141

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18274
FIIG:
T303-J
Concept No.:
App. Key:
JA
Cond. Code:
1
Status:
A

Part Materials

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
--
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical Supplies

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Optical Flat"

A flat, transparent piece of glass, generally of fused quartz, with one or both principal surfaces polished to within a few millionths of an inch of a true plane. It is used in conjunction with a monochromatic light source to measure the flatness of precision finished surfaces, and to determine the distance and parallelism between precision finished surfaces by comparison with known standards. In operation the flat is superimposed, reference surface downward, on the parts under test and when illuminated by monochromatic light the rays reflected from the reference surface are either reinforced or neutralized by the rays reflected from the surface under test producing interference bands which reveal any variations in the thickness of the film of air between surface under test and the flat. Excludes optical parallels.

MOE Major Organizational Entities

Entity
DSOR
User:
POLAND Poland
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:

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