Model: 1555

Safety Relief Valve

Properties:

Thread Class

2b 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Connection Style

G4 gasket sea (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 1st end

Thready Qty Per Inch (tpi)

12 1st end

Thread Size

1.625 inches 1st end

Opening Pressure Setting

1430.0 pounds per square inch

Material

Steel comp 416se body

Thread Series Designator

Un 1st end

Reference Number Differentiating Characteristics

As differentiated by reply to pac csdc

NSN

4820-00-855-8368

Part Number

1555

Description

Valve,safety Relief

CAGE

94874

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 1555 NSN 4820-00-855-8368

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

6.0 X 5.0 X 5.0

Paclk Weight:

11.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

77.5

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