NSN 4820-00-497-1656

Check Valve

FSC: 4820 NIIN: 004971656

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Product Characteristics

NSN:

4820004971656

Demilitarization:

INC:

05487

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:

106.0 degrees fahrenheit single response

Connection Style:

Flared (tube) 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:

0.438 inches all ends

Seat Angle:

37.0 degrees all ends

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Material:

Steel comp 303

Material Specification:

66 federal standard single material response

Media For Which Designed:

Air 1st response

Surface Treatment:

Passivate

Style Designator:

Straight thru

Thread Series Designator:

Unf all ends

Part Numbers

262T-4TT-.2
CIRCOR AEROSPACE, INC.
580R923H02
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

CIRCOR AEROSPACE, INC. - 91816

NORTHROP GRUMMAN SYSTEMS CORPORATION - 97942