Model: 52-90F 1 1/4IN

Vent-check Valve

Properties:

Flow Control Device

Ball

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Mounting Position

Vertical

Valve Size

1.250 inches

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

4.625 inches all ends

Face To Face Distance

6.750 inches

Bolt Circle Diameter

4.000 inches all ends

Flange Face Design

Plain all ends

Material

Copper alloy body

Material

Copper flow control device

Media For Which Designed

Air single response

Style Designator

Straight through flanged ends

NSN

4820-01-285-6146

Part Number

52-90F 1 1/4IN

Description

Valve,vent-check

CAGE

09032

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Part 52-90F 1 1/4IN NSN 4820-01-285-6146

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

52995

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:

576

TCC:

SHC:

ACC:

Trailers/Vehicles

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 vent-check valve (NSN 4820-01-285-6146) 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: 8481301090
SITC: 74730
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Check valves of copper having a pressure rating of 850 kpa or over