Model: 458-4S2-6

Check Valve

Special Features:

Cracking pressure 6 psi

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

-65.0 degrees fahrenheit 1st response

Maximum Operating Temp

250.0 degrees fahrenheit 2nd response

Connection Style

Flared (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

5000.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Seat Angle

37.0 degrees all ends

Material

Steel body

Material

Stainless steel flow control device

Style Designator

Straight thru

Thread Series Designator

Unf all ends

NSN

4820-01-053-4059

Part Number

458-4S2-6

Description

Valve,check

CAGE

86768

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 458-4S2-6 NSN 4820-01-053-4059

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:

0.1000lbs

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:

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