NSN 4820-00-438-0631

Check Valve

FSC: 4820 NIIN: 004380631

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Product Characteristics

NSN:

4820004380631

Demilitarization:

INC:

05487

Shelf Life:

N/A

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

275.0 degrees fahrenheit single response

Connection Style:

Flareless 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube 1st end

Mounting Position:

Horizontal or vertical

Thready Qty Per Inch (tpi):

20 2nd end

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.437 inches 1st end

Seat Angle:

12.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.250 inches 1st end

Material:

Steel comp 630 seat

Media For Which Designed:

Hydraulic fluid, silicate-ester base single response

Surface Treatment:

Passivate

Surface Treatment Specification:

Mil-s-5002 military specification single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Unj 2nd end

Part Numbers

4C2240-1
CRISSAIR, INC.
A51H9065-1
NORTHROP GRUMMAN SYSTEMS CORPORATION

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481302090 - Check valves of steel.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

CRISSAIR, INC. - 99240

NORTHROP GRUMMAN SYSTEMS CORPORATION - 61174