Part Number
DEMIL
Shelf Life
UOM
NIIN
Part Information
1 discharge oil trap
NSN
National Stock Number:
TXT
Description:
Reciprocating Vacuum Pump
MRC:
Indicates the type of mount utilized to support the item.AAXX
Mounting Type:
Base
MRC:
The style designation indicating the configuration that most nearly corresponds to the angular arrangement of the cylinders.AAYA
Cylinder Arrangement Style:
Vertical design
MRC:
The number of stages incorporated in the item.AAYD
Stage Quantity:
1
MRC:
The number of intake connections included on the item.AAYT
Intake Connection Quantity:
1
MRC:
Indicates the type of intake connection included on the item.AAYU
Intake Connection Type:
Threaded internal
MRC:
The number of discharge connections included on the item.AAYV
Discharge Connection Quantity:
1
MRC:
Indicates the type of discharge connection included on the item.AAYW
Discharge Connection Type:
Threaded internal
MRC:
Indicates the type of connection between the prime mover and the shaft.AAYX
Drive Connection Type:
Multistrand v-belt
MRC:
The cooling medium used to maintain the required operating temperature of the item.ACZV
Cooling Medium:
Air
MRC:
The element,compound,or mixture of which the pump body is fabricated,excluding any surface treatment.AENE
Pump Body Material:
Any acceptable
MRC:
The specific gas with which the item is designed to be used.AENF
Specific Gas For Which Designed:
Air
MRC:
Indicates the type of pumping element included on the item.AENG
Pumping Element Type:
Piston
MRC:
The number of cylinders included in the pump.AENH
Pump Cylinder Quantity:
2
MRC:
The speed of the drive shaft required to produce the rated capacity of an item,expressed in revolutions per minute.AEQC
Operating Speed At Rated Capacity In Rpm:
525.0
MRC:
The volume of air passed per unit of time through an item.AEQH
Air Displacement Rate:
15.2 cubic feet per minute in free air
MRC:
An indication of the system for which the item is designed.AERP
System Design:
Noncorrosive
MRC:
Designates the thread diameter,series/type,and number of threads per measurement scale of the discharge connection.ASAZ
Discharge Connection Thread Size And Series/type Designator:
1.250-11-1/2 npt
MRC:
Designates the thread diameter,series/type,and number of threads per measurement scale of the intake connection.ASWT
Intake Connection Thread Size And Series/type Designator:
2.000-11-1/2 npt
MRC:
Describes the capabilities,intended use,and/or purpose for which the item is provided.FTLD
Functional Description:
This vacuum pump is a compound high vacuum duo-seal pump of two stage construction w/vented exhaust; it has a create blank-off pressure of better than 0.2 micron mcleod guage; the pump is designed for creating low absolute pressures required for the production of electronic tubes and light bulbs, metallurgical refining, vacuum coating and metallizing, cyclotron evacuation, molding, dehydration, impregnation, packaging, refrigeration and backing vapor stream pumps, and air removal
MRC:
Indicates the date the item was entered into mil-hdbk-300.NTRD
Entry Date:
85-08-14
MRC:
Literature and references available for information pertaining to the item.RDAL
Reference Data And Literature:
Af to. 35m19-5-2-3
MRC:
Indicates the relationship,such as construction,capabilities,and the like,of the item to a similar item.RTSE
Relationship To Similar Equipment:
NSN4-31-000-3023
