4820-01-421-6828

Find complete technical information, availability, and procurement data for: 4820-01-421-6828
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-421-6828

Item Name Code

27565

Assigment Date

11/13/1995 (30 years ago)

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

4.625 inches nominal first end flange outside diameter, plain face flange first end connection type, straight thru body style, air media for which designed, plain 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: 4.625 inches nominal
Body Style: straight thru
Media For Which Designed: air
First End Connection Type: plain face flange
First End Style Designator: plain
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 0.406 inches nominal
First End Bolt Hole Quantity: 4
First End Bolt Hole Diameter: 0.625 inches nominal
First End Bolt Circle Diameter: 3.500 inches nominal
Second End Relationship With First End: identical
Face To Face Distance: 6.688 inches nominal
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: manual single stage
Manual Control Method: wheel
Valve Loading Method: spring
Filter: not included
End Item Identification: strategic sealift conversion ships class
Material: unable to decode

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
11/4AAF-150-AIR	Fluid Pressure Regulating Valve
11/4AAF-AIR	Fluid Pressure Regulating Valve
13687-C	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-421-6828?

The FSCG of the NSN 4820-01-421-6828 is 4820

Does the NSN 4820-01-421-6828 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-421-6828 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 4820-01-421-6828 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-421-6828 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 4820-01-421-6828 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Nov 13, 1995