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1240-01-449-4057

Optical Instrument Window

1240014494057 014494057 7577089-001

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. View more Optical Instrument Window

1240-01-449-4057 WINDOW,OPTICAL INSTRUMENT 1240014494057 014494057

Managed by United States
NSN Created on 30 Sep 1997
Data Last Changed
May 2023
NATO Update Count
6
NATO Data Quality
1240-01-449-4057 WINDOW,OPTICAL INSTRUMENT 1240014494057 014494057 1/1
NSN 1240-01-449-4057 (Generic Image) 1/1

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7577089-001 A color free item of transparent or translucent material, usually optical glass, having
United States (US) 4. 1240-01-449-4057 Marketplace Restrictions Approved Sources Datasheet Management
RQST NE Updated Every Day 1240-01-449-4057 RQST Updated Every Day 1240-01-449-4057 RQST NE Restrictions

1240-01-449-4057 Demil Restrictions 1240-01-449-4057

DEMIL: B | DEMILI: 3 | CRITICALITY: X | HMIC: N | PMIC: A | EDC: A | ADPEC: 0

1240-01-449-4057 is a Optical Instrument Window that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item has been confirmed as a Critical Munitions List Item or a Sensitive Commerce Control List Item and cannot be in the possession of any party anywhere in the World who is not an authorized NATO Government. Any other possessor of this item should mutilate it now as possession violates international and local laws. This item is a US Munitions List Item and must be mutilated to scrap. This item is not suspected to be hazardous. This item does not contain a precious metal.

1240-01-449-4057 HTS and ScheduleB Import and Export 1240-01-449-4057

1240-01-449-4057 End Users End Users 1240-01-449-4057

Australia (ZA01)
Effective Date:
1 Mar 2008
Canada (ZC01)
Effective Date:
1 Sep 1997
New Zealand (ZE01)
Effective Date:
1 Mar 2003

1240-01-449-4057 Manufacturers Approved Sources 1240-01-449-4057

1240-01-449-4057 Technical Data Datasheet 1240-01-449-4057

Characteristic
Specifications
FIIG
T271-F
Material Document And Classification [MDCL]
Mil-G-174, Class 1, Grade C Mil Spec Single Material Response
Material [MATT]
Glass Optical
Length [ABRY]
4.865 Inches Nominal
Polished Periphery [BMSM]
Not Provided
Polished Surface [BMSG]
Both
Width [ABGL]
3.052 Inches Nominal
Thickness [ABNM]
0.250 Inches Nominal

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1240-01-449-4057 Freight Data Freight Information 1240-01-449-4057

1240-01-449-4057 has freight characteristics managed by Canada.. 1240-01-449-4057 has a variance between NMFC and UFC when transported by rail and the description should be consulted.