4820-01-331-6648

Find complete technical information, availability, and procurement data for: 4820-01-331-6648
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-331-6648

Item Name Code

27565

Assigment Date

12/22/1990 (35 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

7.500 inches nominal first end flange outside diameter, straight thru body style, raised face flange first end connection type, 0.250 inches nominal first end raised face height, raised first end style designator

Product Characteristics

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

First End Flange Outside Diameter: 7.500 inches nominal
Body Style: straight thru
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 0.250 inches nominal
First End Raised Face Diameter: 4.125 inches nominal
First End Flange Shape Style: round
First End Flange Thickness: 1.125 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 13.000 inches nominal
Flow Control Device: diaphragm
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: automatic single stage
Valve Loading Method: spring
Maximum Inlet Pressure Rating: 600.0 pounds per square inch
Filter: not included
Temp Rating: 775.0 fahrenheit nominal
Material: unable to decode
Specification/Standard Data: 81349-mil-v-17848c government specification
Nondefinitive Spec/Std Data: a class and d composition and 2.50ips size

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
MIL-V-17848C	Fluid Pressure Regulating Valve
NAP943	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-331-6648?

The FSCG of the NSN 4820-01-331-6648 is 4820

Does the NSN 4820-01-331-6648 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-331-6648 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 4820-01-331-6648 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-331-6648 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 4820-01-331-6648 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Dec 22, 1990