Check Valve NSN 4820-01-182-5129

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: 4820-01-182-5129

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Features and Characteristics

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

250.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Helicopter, apache ah-64

Connection Style

Flareless all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal

Maximum Operating Pressure

300.0 pounds per square inch single response

Thread Size

0.875 inches all ends

Seat Angle

12.0 degrees all ends

Outside Diameter Tube Accommodated

0.625 inches all ends

Special Features

Cracking pressure is rated at 4 inches h20 (water)

Material

Aluminum alloy

Media For Which Designed

Fuel/oil, hydrocarbon 1st response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unjf all ends

FSC

4820 Nonpowered Valves

NIIN

011825129

NSN

4820011825129

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2S2994

Cage Code:

99240

Status:

MSDS:

Part Number:

10C139

Cage Code:

82829

Status:

MSDS:

Part Number:

HS4550-10

Cage Code:

02731

Status:

MSDS:

Part Number:

2S3810

Cage Code:

99240

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 4820-01-182-5129

What are the manufacturers of nsn 4820011825129?

Crissair, Inc. (99240)
Allen Aircraft Products Inc (82829)
Mcdonnell Douglas Helicopter Co Inc (02731)
Boeing Company, The (8V613)

Does this nsn 4820011825129 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011825129
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 4820011825129 contain any precious metals?
No precious metal content.

Does nsn 4820011825129 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011825129?
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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