NSN 4820-01-440-3748

Safety Relief Valve

FSC: 4820 NIIN: 014403748

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Product Characteristics

NSN:

4820014403748

Demilitarization:

INC:

05488

Shelf Life:

N/A

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Bolt Hole Quantity:

8 all ends

Maximum Operating Temp:

150.0 degrees fahrenheit single response

End Application:

Nimitz class cvn

Valve Operation Method:

Automatic

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Valve Size:

4.000 inches

Adjustable Pressure Range:

+15.0/+17.0 pounds per square inch

Maximum Operating Pressure:

150.0 pounds per square inch single response

Outside Diameter:

7.688 inches all ends

Thickness:

0.750 inches all ends

First Connection Face To Centerline Distance:

6.500 inches

Bolt Hole Diameter:

0.562 inches all ends

Second Connection Face To Centerline Distance:

6.500 inches

Bolt Circle Diameter:

6.562 inches all ends

Flange Face Design:

Plain all ends

Material:

Nickel alloy flow control device

Style Designator:

Err-090

Demand History (Solicitations)

Solicitation	Qty	End Date	Purchase Request	Small Business
SPE7MC24T8427	2	02/26/2024	7006353659	0%
SPE7MC20T5329	1	02/24/2020	0083665917	0%
SPE7MC20T5329	1	02/24/2020	0083665917	0%
SPE7MC20T1738	1	11/25/2019	0082437611	0%
SPE7MC20T1738	1	11/25/2019	0082437611	0%
SPE7MC20T1738	1	11/25/2019	0082437611	0%
SPE7MC18T7173	2	03/16/2018	0073236909	100%