2500049

View detailed technical data, stock status, and sourcing information for: 2500049
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-00-482-8638

Item Name Code

16880

Assigment Date

02/01/1971 (55 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.

0.110 inches minimum and 0.140 inches maximum first corner radius, 0.560 inches minimum and 0.580 inches maximum overall width, 0.043 inches minimum and 0.053 inches maximum overall thickness, polished surface finish, 0.970 inches minimum and 0.990 inches maximum overall length

Product Characteristics

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

Overall Length: 0.970 inches minimum and 0.990 inches maximum
Overall Width: 0.560 inches minimum and 0.580 inches maximum
Overall Thickness: 0.043 inches minimum and 0.053 inches maximum
Surface Finish: polished
First Corner Radius: 0.110 inches minimum and 0.140 inches maximum
Second Corner Radius: 0.110 inches minimum and 0.140 inches maximum
Third Corner Radius: 0.110 inches minimum and 0.140 inches maximum
Material Transparency: clear
Fourth Corner Radius: 0.110 inches minimum and 0.140 inches maximum
Material: glass
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
164B7556P1	Observation Window
2500049	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-00-482-8638?

The FSCG of the NSN 9340-00-482-8638 is 9340

Does the NSN 9340-00-482-8638 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-00-482-8638 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 9340-00-482-8638 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-00-482-8638 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 9340-00-482-8638 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Feb 1, 1971