Model: 493-8SS1-2

Check Valve

Properties:

Flow Control Device

Spool

Maximum Operating Temp

200.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal tube all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Opening Pressure Setting

2.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches all ends

Part Name Assigned By Controlling Agency

Soft seat republic check valve

Material

Steel comp 303 body

Media For Which Designed

Air 1st response

Media For Which Designed

Hydraulic fluid, petroleum base 2nd response

Style Designator

Angle

NSN

4820-01-518-2438

Part Number

493-8SS1-2

Description

Valve,check

CAGE

09990

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part 493-8SS1-2 NSN 4820-01-518-2438

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05487

FIIG:

A530B0

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:

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:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel