NSN 4820-00-283-1176

Restrictor Check Valve

FSC: 4820 NIIN: 002831176

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Product Characteristics

NSN:

4820002831176

Demilitarization:

DEMIL/MLI

INC:

20520

Shelf Life:

N/A

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Maximum Operating Temp:

275.0 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):

20 2nd end

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.562 inches 1st end

Seat Angle:

12.0 degrees 2nd end

Outside Diameter Tube Accommodated:

0.375 inches 1st end

Material:

Stainless steel flow control device

Media For Which Designed:

Hydraulic fluid, phosphate-ester base single response

Surface Treatment:

Passivate

Style Designator:

Straight thru

Thread Series Designator:

Unjf 1st end

Part Numbers

4R121-101
ALLEN AIRCRAFT PRODUCTS INC
6F2962-101
CRISSAIR, INC.
749831-101
LOCKHEED MARTIN 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

ALLEN AIRCRAFT PRODUCTS INC - 82829

CRISSAIR, INC. - 99240

LOCKHEED MARTIN CORPORATION - 98897