Model: B3426

Restrictor Check Valve

Special Features:

Weapon system essential

Properties:

Thread Class

3a all ends

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Plain (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded external tube all ends

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

18 1st end

Thready Qty Per Inch (tpi)

20 2nd end

Maximum Operating Pressure

3500.0 pounds per square inch single response

Thread Size

0.437 inches 2nd end

Thread Size

0.562 inches 1st end

Criticality Code Justification

Feat

Material

Stainless steel body

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Straight thru

Thread Series Designator

Unj all ends

NSN

4820-01-244-5300

Part Number

B3426

Description

Valve,restrictor Check

CAGE

50276

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 B3426 NSN 4820-01-244-5300

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:

0.2000lbs

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:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

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 4820-01-244-5300) 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: 8481302090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of steel