Model: 493-8-SS-2-2

Check Valve

Properties:

Thread Class

3b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

Gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal boss all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches all ends

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Steel comp 303

Material Specification

Fed standard 66 federal standard single material response

Media For Which Designed

Fuel/oil, hydrocarbon single response

Surface Treatment

Passivate

Style Designator

Straight thru

Thread Series Designator

Unjf all ends

NSN

4820-00-247-6468

Part Number

493-8-SS-2-2

Description

Valve,check

CAGE

72352

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 493-8-SS-2-2 NSN 4820-00-247-6468

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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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