1025469

View detailed technical data, stock status, and sourcing information for: 1025469
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-00-273-1820

Item Name Code

16880

Assigment Date

01/01/1963 (63 years ago)

polished surface finish, 0.360 inches minimum and 0.390 inches maximum overall thickness, 3.610 inches minimum and 3.640 inches maximum overall diameter, clear material transparency, glass laminate material

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Diameter: 3.610 inches minimum and 3.640 inches maximum
Overall Thickness: 0.360 inches minimum and 0.390 inches maximum
Surface Finish: polished
Material Transparency: clear
Material: glass laminate
Material Document And Classification: mil-g-3787,class 1,type 1 mil spec single material response
Style Designator: circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
9340-00-228-1698	No Name Available	09/01/2023
9340-00-473-1498	No Name Available	12/01/1991

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
1025469	Observation Window
18920PC3	Observation Window
345423PC25	Observation Window

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 9340-00-273-1820?

The FSCG of the NSN 9340-00-273-1820 is 9340

Does the NSN 9340-00-273-1820 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-00-273-1820 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 9340-00-273-1820 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-00-273-1820 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 9340-00-273-1820 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963