Model: LE284-0031-0004

Check Valve

Properties:

Thread Class

3a 2nd end

Thread Class

3b 1st end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

525.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) 2nd end

Connection Style

Gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 2nd end

Connection Type

Threaded internal boss 1st end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

12 1st end

Thready Qty Per Inch (tpi)

12 2nd end

Maximum Operating Pressure

70.0 pounds per square inch single response

Thread Size

1.312 inches 1st end

Thread Size

1.312 inches 2nd end

Seat Angle

37.0 degrees 2nd end

Material

Steel comp 630 body

Media For Which Designed

Nitrogen, gaseous single response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Straight thru

Thread Series Designator

Unj 1st end

Thread Series Designator

Unj 2nd end

NSN

4820-01-166-5347

Part Number

LE284-0031-0004

Description

Valve,check

CAGE

43999

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 LE284-0031-0004 NSN 4820-01-166-5347

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:

1.1000lbs

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:

60.0

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