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Optical Instrument Window NSN 1240-00-025-0121

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 1240-00-025-0121 NSN: 1240-00-025-0121

Features and Characteristics

Diameter
43.0 millimeters
Thickness
Between 1.5 millimeters and 2.0 millimeters
Polished Periphery
Not provided
Material
Glass, optical
Material
Glass optical
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
000250121
NSN
1240000250121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
154825PC7
Cage Code:
10001
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 1240-00-025-0121
What are the manufacturers of nsn 1240000250121?
Does this nsn 1240000250121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240000250121
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 1240000250121 contain any precious metals?
No precious metal content.
Does nsn 1240000250121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240000250121?
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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