Model: R663 3-8D2-0-7

Restrictor Check Valve

Special Features:

0.07 gpm flow rate

Properties:

Thread Direction

Right-hand all ends

Flow Control Device

Piston

Disk Loading Method

Spring

End Application

Grumman a10 aircraft

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.375 inches all ends

Material

Aluminum alloy body

Material

Aluminum alloy flow control device

Media For Which Designed

Oil, hydraulic single response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

NSN

4820-00-671-6438

Part Number

R663 3-8D2-0-7

Description

Valve,restrictor Check

CAGE

86768

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 R663 3-8D2-0-7 NSN 4820-00-671-6438

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:

2.5000lbs

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

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this restrictor check valve (NSN 4820-00-671-6438) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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