NSN 4820-01-284-4242

Safety Relief Valve

FSC: 4820 NIIN: 012844242

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Product Characteristics

NSN:

4820012844242

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

1.250 inches 1st end

Flow Control Device:

Disk

Disk Loading Method:

Spring

Maximum Operating Temp:

150.0 degrees fahrenheit single response

End Application:

Forrestal class cv

Connection Style:

Socket with brazing ring err-100

Valve Operation Method:

Manual

Connection Type:

Unthreaded internal pipe all ends

Adjustable Pressure Range:

+1401.0/+1800.0 pounds per square inch

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Criticality Code Justification:

Zzzy

Opening Pressure Setting:

1401.0 pounds per square inch

Material:

Nickel alloy 400 stem or nickel alloy r-405 stem

Material Specification:

Qq-n-281 federal specification single material response stem

Style Designator:

Err-090

Furnished Items And Quantity:

2 tailpiece and 1 plugged drain and 1 wrench

Reference Number Differentiating Characteristics:

Requires special cleaning and packaging iaw mil-c-52211, for oxygen/nitrogen/hydrogen service

Part Numbers

9979B51M
PENTAIR VALVES & CONTROLS US LP
9979B51MCP
NAVAL INVENTORY CONTROL POINT

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

PENTAIR VALVES & CONTROLS US LP - 15187

NAVAL INVENTORY CONTROL POINT - 03950