Model: 81PS48-4/GD SPECIAL

Safety Relief Valve

Special Features:

Bushing to 1/2in. Outlet

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Valve Discharge Flow Rate

16.0 gallons per minute

Connection Style

G46b plain (pipe) 2nd end

Valve Operation Method

Automatic

Adjustable Pressure Range

+4000.0/+10000.0 pounds per square inch

Maximum Operating Pressure

750.0 pounds per square inch single response

Thread Size

1.000 inches 1st end

Criticality Code Justification

Zzzy

Media For Which Designed

Water, fresh single response

Thread Series Designator

Npt 2nd end

Thread Series Designator

Npt 1st end

Reference Number Differentiating Characteristics

Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications

NSN

4820-01-190-3228

Part Number

81PS48-4/GD SPECIAL

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 81PS48-4/GD SPECIAL NSN 4820-01-190-3228

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:

10.5 X 5.0 X 5.0

Paclk Weight:

6.0000lbs

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:

Construction Materials

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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