Restrictor Check Valve NSN 4820-00-640-5635

Item Description

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

NSN: 4820-00-640-5635

Stock Availability

NSN 4820006405635 availability
(as of 12/08/2023).

NE: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Pipe Size Accommodated

1.000 inches 2nd end

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Connection Style

Plain (tube) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

14 1st end

Maximum Operating Pressure

10.0 pounds per square inch single response

Thread Size

1.000 inches 2nd end

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

1.000 inches 1st end

Material

Rubber synthetic packing

Media For Which Designed

Fuel/oil, hydrocarbon single response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Un 1st end

FSC

4820 Nonpowered Valves

NIIN

006405635

NSN

4820006405635

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1116-516436

Cage Code:

92003

Status:

MSDS:

Part Number:

633757

Cage Code:

98897

Status:

MSDS:

Part Number:

525L

Cage Code:

92003

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8481309000
NAICS: 332911
SITC: 74730
Description: Check valves of materials other than copper, iron or steel
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-640-5635

What are the manufacturers of nsn 4820006405635?

Does this nsn 4820006405635 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820006405635
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. it does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Does nsn 4820006405635 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820006405635 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820006405635?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

20520

FIIG:

A530B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service