BL712312

View detailed technical data, stock status, and sourcing information for: BL712312
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-00-760-7551

Item Name Code

16880

Assigment Date

01/01/1962 (64 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

0.078 inches minimum and 0.109 inches maximum overall thickness, 1.225 inches minimum and 1.235 inches maximum overall width, 1 ply quantity, 3.995 inches minimum and 4.005 inches maximum overall length, dry heat resistant and weather resistant environmental protection

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: 3.995 inches minimum and 4.005 inches maximum
Overall Width: 1.225 inches minimum and 1.235 inches maximum
Overall Thickness: 0.078 inches minimum and 0.109 inches maximum
Environmental Protection: dry heat resistant and weather resistant
Surface Finish: polished
Material Transparency: clear
Edge Type: flat finish
Features Provided: tempered
Minimum Tensile Strength: 8000 pounds per square inch
Heat Absorbing Characteristic: high light transmission
Special Features: has two 0.185 in. dia mtg holes on 0.615 in. by 3.500 in. mtg centers; 0.010 by 0.010 in. hairline engraved 2.000 in. from end
Material: plastic
Material Document And Classification: mil-p-5425,finish a mil spec single material response
Style Designator: square 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
7607551	Observation Window
BL712312	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-00-760-7551?

The FSCG of the NSN 9340-00-760-7551 is 9340

Does the NSN 9340-00-760-7551 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-00-760-7551 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 9340-00-760-7551 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-00-760-7551 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 9340-00-760-7551 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962