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NSN: 4820-00-001-1673
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Cross Reference These part numbers have the same form, fit, and function of a51e9005-3

Item Number Cage
898246-3-1 59364
A51E9005-3 61174

Characteristic Codes A51E9005-3 spec. code meanings

Code Translation
ADQZ The number of end connections included in the item.
AAFZ The basic material of which the body is fabricated.
AAQL The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
ACKM A narrative description of the type of end connection.
ACKL The type of service with which the item is designed to be used.
ADSV The predetermined pressure at which the item is calibrated to open.
ZZZY A feature of the item of supply which must be specifically recorded when the reference number covers a range of items.
ACLR Indicates whether or not the second end is identical to the first end.
AFKX Indicates the type of temperature control device that actuates the item.
AEVX An indication of whether or not the temperature is adjustable.
ABJH A value which expresses the degree of heat or cold as applied to the operation, or limitation of operation, of an item.

A51E9005-3 Pressure And Temper Relief Valve

Mfr. Cage 61174


ADQZ End Connection Quantity
AAFZ Body Material
Aluminum alloy
AAQL Body Style
Straight thru
ACKM First End Connection Type
Threaded internal tube
ACKL Media For Which Designed
ADSV Opening Pressure Setting
80.0 pounds per square inch
ZZZY Reference Number Differentiating Characteristics
As differentiated by the source control dwg no.
ACLR Second End Relationship With First End
Not identical
AFKX Temp Control Device Type
AEVX Temp Adjustability
ABJH Temp Rating
550.0 deg fahrenheit

Technical Definition

Valve, Relief, Pressure And Temper, also referenced with federal logistics item name code 16996 - A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. thermostatically operated valves close when the pressure is relieved or the temperature is reduced. fusible plug valves require replacement of the plug. see also valve, safety relief and valve, regulating. temperature.
National Stock Number (NSN) 4820-00-001-1673

Last Modified: 02/08/2017