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Pressure And Temperature Relief Valve

NSN: 4820-00-142-3189 | Model: 40XL8 85 PSI

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.

NSN Properties and Flags
NATO Stock Number
4820-00-142-3189
DEMIL
NO
Body Material
Bronze
Body Style
Angle give "adqm" and "adqn" only if flanged one or two ends
Stem Material
Bronze
Furnished Items
Emergency manual operating device and reducer bushing
Tempurature Rating
210.0 degrees fahrenheit
Media For Which Designed
Water, fresh
First End Connection Type
Threaded internal pipe
First End Style Designator
Plain
First End Pipe Size Accommodated
0.750 inches
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external pipe
Second End Style Designator
Plain
Second End Pipe Size Accommodated
0.750 inches
Second End Thread Direction
Right-hand
Seat Material
Bronze
Flow Control Device
Poppet
Flow Control Device Material
Bronze
End Connection Quantity
2
Opening Pressure Setting
85.0 pounds per square inch
Bulb Length
8.000 inches
Bulb Diameter
0.280 inches
Tempurature Adjustability
Not adjustable
Tempurature Control Device Type
Thermostatic

Pricing and Availability

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NSN 4820-00-142-3189 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 40XL8 85 PSI
  • 40XL8
Cage Codes:
  • Watts Regulator Co (CAGE 79227)
Schedule B & Trade:
  • Schedule B: 8481400000 (NAICS 332911)

    Safety or relief valves

  • SITC: 74740

    Safety or relief valves

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    095190 - Hardware, noi

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $350.93 to $584.89..
Does NSN 4820-00-142-3189 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Navy, and Greece
What is the NIIN of NSN 4820-00-142-3189?
001423189 or 00-142-3189
Does NSN 4820-00-142-3189 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-142-3189?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963