NSN 4820-00-283-6956

Restrictor Check Valve

FSC: 4820 NIIN: 002836956

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Product Characteristics

NSN:

4820002836956

Demilitarization:

INC:

20520

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit 2nd response

Connection Style:

Flareless all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Mounting Position:

Horizontal or vertical

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.562 inches 1st end

Seat Angle:

12.0 degrees all ends

Material:

Steel comp 630

Media For Which Designed:

Hydraulic fluid, phosphate-ester base 1st response

Surface Treatment:

Passivate

Style Designator:

Straight thru

Thread Series Designator:

Unjf all ends

Part Numbers

4R122-127
ALLEN AIRCRAFT PRODUCTS INC
6F2966-127
CRISSAIR, INC.
749959-127
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