NSN 4820-00-225-0977

Safety Relief Valve

FSC: 4820 NIIN: 002250977

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Product Characteristics

NSN:

4820002250977

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:

16.0 gallons per minute

Maximum Operating Temp:

275.0 degrees fahrenheit 2nd 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

Thready Qty Per Inch (tpi):

12 all ends

Maximum Operating Pressure:

80.0 pounds per square inch single response

Thread Size:

1.500 inches all ends

Seat Angle:

37.0 degrees all ends

Opening Pressure Setting:

80.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.750 inches all ends

Material:

Aluminum alloy

Media For Which Designed:

Hydraulic fluid, phosphate-ester base single response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 1 military specification single treatment response

Style Designator:

Straight thru

Thread Series Designator:

Un all ends

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7MC17TA396	3	02/21/2017	0067424081	0%
SPE7MC17T6027	1	12/27/2016	0066787325	0%
SPE7M116TZ039	1	06/23/2016	0064086224	100%

Part Numbers

128SCH131-1
NORTHROP GRUMMAN SYSTEMS CORPORATION
HP545100
TACTAIR FLUID CONTROLS, 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

TACTAIR FLUID CONTROLS, INC. - 70236