Model: 802-4

Check Valve

Properties:

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

350.0 degrees fahrenheit single response

Connection Style

Flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 1st end

Maximum Operating Pressure

600.0 pounds per square inch single response

Thread Size

0.438 inches 1st end

Seat Angle

45.0 degrees 1st end

Outside Diameter Tube Accommodated

0.250 inches 1st end

Material

Copper alloy seat

Material

Copper alloy body

Style Designator

Straight thru

Thread Series Designator

Unf 1st end

NSN

4820-00-575-1911

Part Number

802-4

Description

Valve,check

CAGE

58553

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 802-4 NSN 4820-00-575-1911

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:

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Schedule B and Export

Schedule B: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over