Model: U17643

Restrictor Check Valve

Properties:

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Aperture Diameter

0.312 inches

Valve Operation Method

Automatic

Mounting Position

Vertical

Thready Qty Per Inch (tpi)

8 1st end

Thready Qty Per Inch (tpi)

8 2nd end

Thread Size

1.375 inches 1st end

Thread Size

1.375 inches 2nd end

Material

Plastic

Style Designator

Straight thru

Supplementary Features

Flow control device: diaphragm

Thread Series Designator

Acme 1st end

Thread Series Designator

Acme 2nd end

NSN

4820-00-128-0473

Part Number

U17643

Description

Valve,restrictor Check

CAGE

79172

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Part U17643 NSN 4820-00-128-0473

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20520

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:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 8481309000
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of materials other than copper, iron or steel