851-6

View detailed technical data, stock status, and sourcing information for: 851-6
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9340 Glass Fabricated Materials

National Stock Number

9340-00-541-7817

Item Name Code

16880

Assigment Date

01/01/1961 (65 years ago)

A replaceable device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous material (metallic or non-metallic), stacked disks, wound wire, or the like, constructed so the fluid can flow through the device while the solid particles are retained. It may be designed to fit into a filter, fluid (or similar cavity), or it may have an integral outer casing and mounting facilities and be designed to connect directly to an engine, compressor, or the like. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. Excludes:filter element, air conditioning. See also strainer element, sediment.

1 ply quantity, clear material transparency, 0.250 inches nominal overall thickness, 3.000 inches nominal overall diameter, fine finished surface finish

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: 3.000 inches nominal
Overall Thickness: 0.250 inches nominal
Surface Finish: fine finished
Material Transparency: clear
Edge Type: flat finish
Maximum Operating Pressure: 50.0 pounds per square inch
Material: glass
Style Designator: circular

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4620-00-322-9089	No Name Available	01/01/1963

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
694830	Observation Window
7740-3IN DIA.,1/4IN.THICK	Observation Window
851-6	Observation Window

FAQs

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

What is the FSCG of the NSN 9340-00-541-7817?

The FSCG of the NSN 9340-00-541-7817 is 9340

Does the NSN 9340-00-541-7817 have a Schedule B code assigned?

Yes, the Schedule B code is 7016900000

Does NSN 9340-00-541-7817 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 9340-00-541-7817 contain precious materials?

Item does not contain precious metal.

Does NSN 9340-00-541-7817 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 9340-00-541-7817 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961