Model: 51139

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

51139

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 51139 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

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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