Model: 20198

Safety Relief Valve

Properties:

Flow Control Device

Disk

Bolt Hole Quantity

4 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

1.000 inches

Adjustable Pressure Range

+20.0/+24.0 pounds per square inch

Outside Diameter

4.250 inches all ends

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.314 inches

Bolt Hole Diameter

0.562 inches all ends

Second Connection Face To Centerline Distance

3.314 inches

Bolt Circle Diameter

3.125 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy body

NSN

4820-01-330-9428

Part Number

20198

Description

Valve,safety Relief

CAGE

15187

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 20198 NSN 4820-01-330-9428

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this safety relief valve (NSN 4820-01-330-9428) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves