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Optical Instrument Window NSN 1240-01-449-4056

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 1240-01-449-4056 NSN: 1240-01-449-4056

Features and Characteristics

Width
3.205 inches
Thickness
0.250 inches
Length
4.632 inches
Polished Surface
Both
Polished Periphery
Not provided
Material
Glass, optical, mil-g-174, class 1, grade c
Material
Glass optical
Material Specification
Mil-g-174, class 1, grade c military specification single material response
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
014494056
NSN
1240014494056

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7575073-002
Cage Code:
13160
Status:
A
MSDS:

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 1240-01-449-4056
What are the manufacturers of nsn 1240014494056?
Does this nsn 1240014494056 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240014494056
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 1240014494056 contain any precious metals?
No precious metal content.
Does nsn 1240014494056 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240014494056?
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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