Model: 50397

Restrictor Check Valve

Special Features:

Hydraulic fluid media

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

External seat for gasket seal (boss) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external boss all ends

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

12 all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

1.0625 inches all ends

Material

Steel comp 440c flow control device

Material

Steel comp 630 body

Material Specification

Ams 5643 assn standard single material response body

Material Specification

Qq-s-763 cl 440c federal specification single material response flow control device

Style Designator

Straight thru

Thread Series Designator

Unj all ends

NSN

4820-01-171-9440

Part Number

50397

Description

Valve,restrictor Check

CAGE

72429

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 50397 NSN 4820-01-171-9440

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

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