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Optical Instrument Window NSN 1240-00-025-0186

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 1240-00-025-0186 NSN: 1240-00-025-0186

Features and Characteristics

Width
1.312 inches
Thickness
0.031 inches
Length
1.625 inches
End Application
Rangefinder mk42
Refraction Index
Between 1.5000 and 1.5200
Polished Periphery
Not provided
Material
Plastic, acrylic resin
Material
Plastic acrylic
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
000250186
NSN
1240000250186

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
G8840PC16
Cage Code:
06175
Status:
A
MSDS:
Part Number:
220588PC16
Cage Code:
10001
Status:
A
MSDS:
Part Number:
181146PC13
Cage Code:
03829
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 1240-00-025-0186
What are the manufacturers of nsn 1240000250186?
Does this nsn 1240000250186 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240000250186
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 1240000250186 contain any precious metals?
No precious metal content.
Does nsn 1240000250186 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240000250186?
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
  •   Quality Fast Service
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