Restrictor Check Valve NSN 4820-00-003-9553

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: 4820-00-003-9553

Stock Availability

NSN 4820000039553 availability
(as of 01/30/2023).

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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Related NSN

Features and Characteristics

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Unable To Decode

Between 0.099 inches and unable to decode

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit single response

Connection Style

Flareless 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 2nd end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

18 2nd end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Seat Angle

12.0 degrees 2nd end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Stainless steel seat

Media For Which Designed

Oil, hydraulic single response

Style Designator

Straight thru

Thread Series Designator

Unjf 1st end

FSC

4820 Nonpowered Valves

NIIN

000039553

NSN

4820000039553

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

4G14390-101A

Cage Code:

98897

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8481302090
NAICS: 332911
SITC: 74730
Description: Check valves of steel
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-003-9553

What are the manufacturers of nsn 4820000039553?

Lockheed Martin Corporation (98897)

Does this nsn 4820000039553 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820000039553
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 4820000039553 contain any precious metals?
No precious metal content.

Does nsn 4820000039553 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820000039553?
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
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