71-90308

View detailed technical data, stock status, and sourcing information for: 71-90308
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-01-171-7640

Item Name Code

16880

Assigment Date

02/13/1984 (42 years ago)

A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.

0.090 inches nominal first corner radius, 1 ply quantity, 1.365 inches nominal overall length, 0.940 inches nominal overall width, 0.160 inches nominal overall thickness

Product Characteristics

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

Ply Quantity: 1
Overall Length: 1.365 inches nominal
Overall Width: 0.940 inches nominal
Overall Thickness: 0.160 inches nominal
First Corner Radius: 0.090 inches nominal
Second Corner Radius: 0.090 inches nominal
Third Corner Radius: 0.090 inches nominal
Material Transparency: clear
Fourth Corner Radius: 0.090 inches nominal
Features Provided: frame
Material: plastic acrylic
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
66010004-000	Observation Window
71-90308	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-01-171-7640?

The FSCG of the NSN 9340-01-171-7640 is 9340

Does the NSN 9340-01-171-7640 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-01-171-7640 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 9340-01-171-7640 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-01-171-7640 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 9340-01-171-7640 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Feb 13, 1984