Model: 5590-121

Restrictor Check Valve

Special Features:

Free flow 3gpm at 20 psi at 90 degrees f, restricted flow 0.54gpm at 30000 psi at 90 degrees f

Properties:

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal

Material

Steel comp 440c flow control device

Material

Steel comp 630 body

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification all treatment responses

Style Designator

Straight thru

NSN

4820-00-269-7229

Part Number

5590-121

Description

Valve,restrictor Check

CAGE

76301

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 5590-121 NSN 4820-00-269-7229

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:

0.3000lbs

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