Model: N-781

Rotary Vacuum Pump Unit

Properties:

Brake Horsepower Required

1.000

Mounting Type

Base

Stage Quantity

Intake Connection Quantity

Intake Connection Type

Threaded internal

Discharge Connection Quantity

Discharge Connection Type

Threaded internal

Drive Connection Type

Single strand v-belt

Furnished Items

Belt guard and inlet filter

Overall Length

37.500 inches

Overall Height

34.000 inches

Overall Width

21.000 inches

Current Type

Cooling Medium

Air

Vacuum Rating

0.01 torr

Pump Quantity

Pump Body Material

Any acceptable

Specific Gas For Which Designed

Air

Pumping Element Type

Sliding vane and rotor type

Operating Speed At Rated Capacity In Rpm

280.0

Air Displacement Rate

30.0 cubic feet per minute in free air

System Design

Noncorrosive

Prime Mover Type

Electric motor

Discharge Connection Thread Size And Series/type Designator

1.500-11-1/2 npt

Intake Connection Thread Size And Series/type Designator

1.250-11-1/2 npt

Features Provided

Oil trap at outlet

Voltage In Volts

220.0 and 440.0

Phase

Three

Frequency In Hertz

60.0

NSN

4310-00-288-9010

Part Number

N-781

Description

Vacuum Pump Unit,rotary

CAGE

06289

An assembled unit consisting of a commonly mounted rotary vacuum pump(s), prime mover(s), and the necessary components to provide for a complete operation. It may include vacuum storage tank(s).

Part N-781 NSN 4310-00-288-9010

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29904

FIIG:

A06700

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:

128000

UFC:

64870

LTL:

85.0

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8414100000
SITC: 74311
End Use: Industrial engines
NAICS: 333912
USDA: 1

Freight Class: Vacuum pumps