Check Valve NSN 4820-01-254-3808

Item Description

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

NSN: 4820-01-254-3808

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Features and Characteristics

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

125.0 pounds per square inch single response

Thread Size

0.250 inches all ends

Material

Plastic polytetrafluoroethylene seat

Material Specification

Mss sp-80 military specification single material response seat

Media For Which Designed

Steam single response

Style Designator

Straight thru

Supplementary Features

Ref data federal specification ww-v-51, class a, type 4 and mms sp-80

Thread Series Designator

Nptf all ends

Specification Data

98437-33s3-101 manufacturers source control

FSC

4820 Nonpowered Valves

NIIN

012543808

NSN

4820012543808

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

33S3-101

Cage Code:

98437

Status:

MSDS:

Part Number:

T-413-5

Cage Code:

12168

Status:

MSDS:

Part Number:

T-413-Y-5

Cage Code:

12168

Status:

MSDS:

Part Number:

5001-43

Cage Code:

05869

Status:

MSDS:

Part Number:

T-413-Y-1/4 FPT

Cage Code:

12168

Status:

MSDS:

Foreign Trade & Schedule B

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

Schedule B Number: 8481301090
NAICS: 332911
SITC: 74730
Description: Check valves of copper having a pressure rating of 850 kpa or over
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-254-3808

What are the manufacturers of nsn 4820012543808?

Ellis & Watts International, Llc (98437)
Northern Indiana Business Services (12168)
Raytheon Company (05869)

Does this nsn 4820012543808 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012543808
A valve permitting flow in one direction only. it does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. it may be inline or cartridge (manifold) design.

Does nsn 4820012543808 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820012543808 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012543808?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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