41-13049

View detailed technical data, stock status, and sourcing information for: 41-13049

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41-13049
Federal Supply Group
Nonmetallic Fabricated Materials
Federal Supply Classification
9340 Glass Fabricated Materials
National Stock Number
9340-00-261-5709
Item Name Code
16880
Assigment Date
01/01/1963 (63 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.

weather resistant environmental protection, 0.688 inches minimum and 0.812 inches maximum overall thickness, polished surface finish, 1 ply quantity, 12.438 inches minimum and 12.562 inches maximum overall diameter

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 Diameter
12.438 inches minimum and 12.562 inches maximum
Overall Thickness
0.688 inches minimum and 0.812 inches maximum
Environmental Protection
weather resistant
Surface Finish
polished
Material Transparency
clear
Edge Type
beveled
Material
glass
Material Document And Classification
dd-g-541,type 1,class a fed spec single material response
Style Designator
circular
Nondefinitive Spec/Std Data
a type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
9340-01-397-5188 No Name Available 02/01/2023

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
1-5002APC8 Observation Window
3285756PC12 Observation Window
41-13049 Observation Window
6-5082APC3 Observation Window
702-33025PCGLS Observation Window
805-1749037 PC12 Observation Window
805-1749037 REV Observation Window
MC139APC2 Observation Window

FAQs

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

What is the FSCG of the NSN 9340-00-261-5709?
The FSCG of the NSN 9340-00-261-5709 is 9340
Does the NSN 9340-00-261-5709 have a Schedule B code assigned?
Yes, the Schedule B code is 7016900000
Does NSN 9340-00-261-5709 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 9340-00-261-5709 contain precious materials?
Item does not contain precious metal.
Does NSN 9340-00-261-5709 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 9340-00-261-5709 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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