Model: 51139A

Vacuum Breaking Valve

Properties:

Body Material

Aluminum alloy

Outside Surface Treatment

Anodized

Body Style

Single connection, straight flow

Media For Which Designed

Air

First End Connection Type

Threaded external boss

First End Style Designator

External seat for gasket seal

First End Thread Class

First End Thread Direction

Right-hand

Flow Control Device

Poppet

Flow Control Device Material

Aluminum alloy

End Connection Quantity

Tempurature Adjustability

Not adjustable

NSN

4820-00-142-3142

Part Number

51139A

Description

Valve,vacuum Breaking

CAGE

82423

An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.

Part 51139A NSN 4820-00-142-3142

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

08101

FIIG:

A07100

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:

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 vacuum breaking valve (NSN 4820-00-142-3142) 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: 8481809050
SITC: 74780
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi