71-91090A

View detailed technical data, stock status, and sourcing information for: 71-91090A
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-01-273-3976

Item Name Code

16880

Assigment Date

02/25/1988 (38 years ago)

An active semiconductor device with three or more electrodes. May or may not include mounting hardware and/or heatsink. Excludes:semiconductor device, diode and semiconductor device, thyristor. For solid state devices which are responsive to visible or infrared radiant energy, see semiconductor device, photo.

4.340 inches minimum and 4.380 inches maximum overall length, 0.120 inches minimum and 0.180 inches maximum first corner radius, 0.115 inches minimum and 0.135 inches maximum overall thickness, 3.340 inches minimum and 3.380 inches maximum overall width, 2 ply quantity

Product Characteristics

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

Ply Quantity: 2
Overall Length: 4.340 inches minimum and 4.380 inches maximum
Overall Width: 3.340 inches minimum and 3.380 inches maximum
Overall Thickness: 0.115 inches minimum and 0.135 inches maximum
First Corner Radius: 0.120 inches minimum and 0.180 inches maximum
Second Corner Radius: 0.120 inches minimum and 0.180 inches maximum
Third Corner Radius: 0.120 inches minimum and 0.180 inches maximum
Material Transparency: clear
Fourth Corner Radius: 0.120 inches minimum and 0.180 inches maximum
Wire Mesh Pattern: square
Edge Type: flat finish
Color: gray/grey
Material: glass
Material Document And Classification: dd-g-451 fed spec single material response
Style Designator: rounded corners

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
101152-003	Observation Window
71-91090A	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-01-273-3976?

The FSCG of the NSN 9340-01-273-3976 is 9340

Does the NSN 9340-01-273-3976 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-01-273-3976 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 9340-01-273-3976 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-01-273-3976 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 9340-01-273-3976 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Feb 25, 1988