NSN 4820-00-053-4546

Safety Relief Valve

FSC: 4820 NIIN: 000534546

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Product Characteristics

NSN:

4820000534546

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

1.2 gallons per minute

Maximum Operating Temp:

275.0 degrees fahrenheit single response

Connection Style:

Gasket sea (boss) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded internal boss all ends

Features Provided:

Pressure tight outlet side

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.437 inches all ends

Opening Pressure Setting:

1285.0 pounds per square inch

Special Features:

Free reverse flow

Material:

Stainless steel stem

Media For Which Designed:

Hydraulic fluid, phosphate-ester base single response

Surface Treatment:

Anodize

Style Designator:

Straight through note: to be used for valve bodies of one section only.

Thread Series Designator:

Unjf all ends

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7MC18T6613	1	03/02/2018	0073006030	100%
SPE7MC18T4146	1	01/02/2018	0072246820	100%

Part Numbers

128SCH142-13
NORTHROP GRUMMAN SYSTEMS CORPORATION
A90369-13
HYDRO-AIRE, INC.

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

NORTHROP GRUMMAN SYSTEMS CORPORATION - 26512

HYDRO-AIRE, INC. - 81982