Model: 1/4 IN MODEL 548-275

Safety Relief Valve

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Threaded

Maximum Operating Temp

300.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) all ends

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe all ends

Maximum Operating Pressure

300.0 pounds per square inch single response

Thread Size

0.250 inches all ends

Opening Pressure Setting

275.0 pounds per square inch

Material

Copper alloy body

Material

Rubber synthetic flow control device

Media For Which Designed

Air 1st response

Media For Which Designed

Gas, inert 2nd response

Thread Series Designator

Npt all ends

NSN

4820-01-290-9058

Part Number

1/4 IN MODEL 548-275

Description

Valve,safety Relief

CAGE

01343

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 1/4 IN MODEL 548-275 NSN 4820-01-290-9058

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:

0.3000lbs

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:

127200

UFC:

64480

LTL:

85.0

LCL:

WCC:

573

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