Model: 6-250-78

Safety Relief Valve

Properties:

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Discharge Flow Rate

10.0 gallons per minute

Connection Type

Butt weld pipe 1st end

Mounting Facility

Threaded fastener

Features Provided

Pressure tight outlet side

Maximum Operating Pressure

250.0 pounds per square inch single response

Opening Pressure Setting

12.0 pounds per square inch

Material

Aluminum alloy body

Material

Aluminum alloy seat

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

Style Designator

Straight thru

NSN

4820-00-095-0561

Part Number

6-250-78

Description

Valve,safety Relief

CAGE

92003

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 6-250-78 NSN 4820-00-095-0561

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:

Paclk Weight:

50.0000lbs

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:

Equipment for Aircraft

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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