NSN 4820-01-268-0594

Safety Relief Valve

FSC: 4820 NIIN: 012680594

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Product Characteristics

NSN:

4820012680594

Demilitarization:

DEMIL/MLI

INC:

05488

Shelf Life:

N/A

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside screw

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Maximum Operating Temp:

450.0 degrees fahrenheit single response

Connection Style:

G9 plain, optional en (pipe) 2nd end

Connection Type:

Threaded internal pipe 2nd end

Maximum Operating Pressure:

300.0 pounds per square inch single response

Thread Size:

0.750 inches 2nd end

Criticality Code Justification:

Zzzy

Opening Pressure Setting:

20.0 pounds per square inch

Special Features:

Clean per mil-std-767 and aor-767-1; inspect per mil-i-45208; ship per mil-std-129

Material:

Copper alloy

Media For Which Designed:

Air 2nd response

Style Designator:

Err-090

Thread Series Designator:

Npt 1st end

Reference Number Differentiating Characteristics:

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

Part Numbers

18252-F(20PSI)
CURTISS-WRIGHT FLOW CONTROL
1856M-OL-1/2X3/4-20PSI
CURTISS-WRIGHT FLOW CONTROL
1896M-OL-1/2X3/4-20PSI(SPCLN)
CURTISS-WRIGHT FLOW CONTROL

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

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

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Cage Codes

CURTISS-WRIGHT FLOW CONTROL - 72352