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NSN: 4310-00-005-2025
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Cross Reference

These part numbers have the same form, fit, and function of 13902
Item Number Cage
1625097-1 99251
13902 27637

Characteristic Codes

13902 spec. code meanings
Code Translation
AAXX Indicates the type of mount utilized to support the item.
AAYA The style designation indicating the configuration that most nearly corresponds to the angular arrangement of the cylinders.
AAYD The number of stages incorporated in the item.
AAYT The number of intake connections included on the item.
AAYU Indicates the type of intake connection included on the item.
AAYV The number of discharge connections included on the item.
AAYW Indicates the type of discharge connection included on the item.
AAYX Indicates the type of connection between the prime mover and the shaft.
ABEM Consists of plating, dip, and/or coating that cannot be wiped off. plating and/or coating is any chemical and/or metallic additive, electrochemical, or mild mechanical process which protects a body surface.
ABHP The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
ABKW The distance measured in a straight line from the bottom to the top of an item.
ABMK An overall measurement taken at right angles to the length of an item, in distinction from thickness.
ACDC Indicates the type of current whether alternating, direct, or both.
ACZV The cooling medium used to maintain the required operating temperature of the item.
ADLE The ultimate maximum vacuum, expressed in terms of absolute pressure, that may be produced by or applied to an item.
AENC The number of pumps incorporated in the item.
AENE The element, compound, or mixture of which the pump body is fabricated, excluding any surface treatment.
AENF The specific gas with which the item is designed to be used.
AENG Indicates the type of pumping element included on the item.
AENH The number of cylinders included in the pump.
AEQC The speed of the drive shaft required to produce the rated capacity of an item, expressed in revolutions per minute.
AERP An indication of the system for which the item is designed.
AKDJ Indicates the type of prime mover included with the unit.
AMPS The electrical current rating, expressed in amperes.
ASAZ Designates the thread diameter, series/type, and number of threads per measurement scale of the discharge connection.
ASWT Designates the thread diameter, series/type, and number of threads per measurement scale of the intake connection.
CXCY The name assigned to the item by the government agency or commercial organization controlling the design of the item.
ELEC The total electrical voltage.

13902

Description: Reciprocating Vacuum Pump Unit
Mfr. Cage 27637

Specification

Length: 5-51/64"

AAXX Mounting Type
Base
AAYA Cylinder Arrangement Style
Horizontal design
AAYD Stage Quantity
1
AAYT Intake Connection Quantity
1
AAYU Intake Connection Type
Threaded internal
AAYV Discharge Connection Quantity
1
AAYW Discharge Connection Type
Threaded internal
AAYX Drive Connection Type
Close coupled
ABEM Body Surface Treatment
Any acceptable
ABHP Overall Length
5.790 inches
ABKW Overall Height
3.125 inches
ABMK Overall Width
3.000 inches
ACDC Current Type
Dc
ACZV Cooling Medium
Air
ADLE Vacuum Rating
4.0 millitorr
AENC Pump Quantity
1
AENE Pump Body Material
Any acceptable
AENF Specific Gas For Which Designed
Oxygen
AENG Pumping Element Type
Piston
AENH Pump Cylinder Quantity
1
AEQC Operating Speed At Rated Capacity In Rpm
4000.0
AERP System Design
Noncorrosive
AKDJ Prime Mover Type
Electric motor
AMPS Current Rating In Amps
3.5
ASAZ Discharge Connection Thread Size And Series/type Designator
9/16-18 unf
ASWT Intake Connection Thread Size And Series/type Designator
9/16-18 unf
CXCY Part Description
Pump assembly
ELEC Voltage In Volts
28.0

Technical Definition

Vacuum Pump Unit, Reciprocating, also referenced with federal logistics item name code 29902 - An assembled unit consisting of a commonly mounted reciprocating vacuum pump(s), prime mover(s), and the necessary components to provide for a complete operation. it may include a vacuum storage tank(s).
National Stock Number (NSN) 4310-00-005-2025

Last Modified: 02/14/2017