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Optical Instrument Window NSN 1240-00-531-3720

Item Description

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.

NSN 1240-00-531-3720 NSN: 1240-00-531-3720

Features and Characteristics

Diameter
10.000 millimeters
Thickness
2.000 millimeters
Refraction Index
1.5230
Polished Surface
Both
Polished Periphery
Not provided
Material
Glass, optical, jan-g-174, type 518-596, grade c
Material
Glass, optical, jan-g-174, type 518-596, grade c
Fsc Application Data
Telescope, straight
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
005313720
NSN
1240005313720

Manufacturer Part Numbers

Part numbers registered to this national stock number.

No part numbers found for this NSN.

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 9803200000
  • NAICS: 990000
  • SITC: 93100
  • Description: Military equipments not identified by kind
  • End Use (Code 50060):
    Military apparel and footwear

Q & A

Frequently asked questions for NSN 1240-00-531-3720
What are the manufacturers of nsn 1240005313720?
Does this nsn 1240005313720 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240005313720
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.
Does nsn 1240005313720 contain any precious metals?
Precious metal content is unknown.
Does nsn 1240005313720 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240005313720?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
10908
FIIG:
T271-F
App. Key:
FA
Cond. Code:
2
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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