Model: 6-37-4-3-0

Restrictor Check Valve

Special Features:

Media hydraulic fluid

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Material

Steel

Surface Treatment

Cadmium or cadmium and chromate or cadmium and phosphate

Surface Treatment Specification

Qq-p-416 federal specification all treatment responses

Style Designator

Straight thru

Thread Series Designator

Npt all ends

NSN

4820-00-267-6033

Part Number

6-37-4-3-0

Description

Valve,restrictor Check

CAGE

07988

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 6-37-4-3-0 NSN 4820-00-267-6033

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:

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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