4820-00-991-0858

Find complete technical information, availability, and procurement data for: 4820-00-991-0858
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-991-0858

Item Name Code

27565

Assigment Date

01/01/1960 (66 years ago)

A device which, in addition to starting and stopping a motor, performs one or more of the following functions: reverses the rotation, selects the speed, and/or regulates the speed of a motor. Includes items of this type whose design provides means for operation with a rheostat or speed regulator which may be integral or included. Items such as drum switches may be included. See also starter, motor.

0.312 inches nominal first end outside diameter tube accommodated, threaded internal tube first end connection type, tee body style, flare first end style designator, panel mounting bracket furnished items

Product Characteristics

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

Body Style: tee
Furnished Items: panel mounting bracket
First End Connection Type: threaded internal tube
First End Style Designator: flare
First End Outside Diameter Tube Accommodated: 0.312 inches nominal
First End Thread Size And Series/Type Designator: unable to decode
First End Thread Class: 3b
First End Thread Direction: right-hand
Second End Relationship With First End: identical
Third End Relationship With Preceding Ends: identical with first end
First End Seat Angle In Deg: 12.5
Flow Control Device: diaphragm
End Connection Quantity: 3
Regulation Type: automatic single stage
Valve Loading Method: spring
Remote Actuation Method: diaphragm
Maximum Inlet Pressure Rating: 15.0 pounds per square inch
Filter: not included
Temp Rating: -40.0 fahrenheit minimum and 250.0 fahrenheit maximum
Special Features: measures constant upstream pressure
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
63SU	Fluid Pressure Regulating Valve
MDE321409-5	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-00-991-0858?

The FSCG of the NSN 4820-00-991-0858 is 4820

Does the NSN 4820-00-991-0858 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-00-991-0858 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 4820-00-991-0858 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-991-0858 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 4820-00-991-0858 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960