Model: 577A-6DB-5

Safety Relief Valve

Special Features:

Cone point is removed

Properties:

Thread Class

3a 1st end

Thread Class

3b 2nd end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Connection Style

G42 flared (tube) 1st end

Connection Style

G4 gasket sea (boss) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Connection Type

Threaded internal boss 2nd end

Thready Qty Per Inch (tpi)

12 1st end

Thread Size

0.750 inches 1st end

Thread Size

0.750 inches 2nd end

Seat Angle

37.0 degrees 1st end

Opening Pressure Setting

0.5 pounds per square inch

Material

Aluminum body

Thread Series Designator

Unf 2nd end

Thread Series Designator

Unj 1st end

NSN

4820-01-237-0100

Part Number

577A-6DB-5

Description

Valve,safety Relief

CAGE

91816

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 577A-6DB-5 NSN 4820-01-237-0100

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

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Schedule B and Export

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

Freight Class: Safety or relief valves