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Optical Instrument Window NSN 1240-01-068-2421

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 1240-01-068-2421 NSN: 1240-01-068-2421

Features and Characteristics

Diameter
Between 50.6 millimeters and 51.0 millimeters
Thickness
Between 5.8 millimeters and 6.0 millimeters
Polished Periphery
Not provided
Material
Glass, optical, mil-g-174, grade b
Material
Glass, optical, mil-g-174, grade b
FSC
1240 Optical Sighting And Ranging Equipment
NIIN
010682421
NSN
1240010682421

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12266880
Cage Code:
19207
Status:
A
MSDS:
Part Number:
048080
Cage Code:
34228
Status:
A
MSDS:
Part Number:
957C048080
Cage Code:
34228
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 1240-01-068-2421
What are the manufacturers of nsn 1240010682421?
Does this nsn 1240010682421 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 1240010682421
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 1240010682421 contain any precious metals?
No precious metal content.
Does nsn 1240010682421 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 1240010682421?
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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