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Safety Relief Valve

NSN: 4820-00-222-8292 | Model: 5159T-2MP-25

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN Properties and Flags
NATO Stock Number
4820-00-222-8292
DEMIL
NO
Pipe Size Accommodated
0.250 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 1st endplain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.250 inches 2nd end
Opening Pressure Setting
25.0 pounds per square inch
Material
Steel comp 303 stem
Material Specification
Fsedstd66, aisi303/sae30303 federal standard single material response flow control device
Media For Which Designed
Air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydraulic fluid, silicate-ester base 5th response
Style Designator
Straight through note: to be used for valve bodies of separable sections.
Thread Series Designator
Npt 2nd end

Pricing and Availability

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NSN 4820-00-222-8292 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 5159T-2MP-25
  • 5159T-2MP-25
  • 5159T-2MP-25
Cage Codes:
  • Circor Aerospace, Inc. (CAGE 91816)
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:

    127220 - Pressure reg/red/relief valves noi

  • WCC:

    594 - Pumps and parts, (machinery and parts),(less than 35 feet)

  • 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.

  • LTL:

    P - 77.5

  • ACC:

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

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    L
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    -------
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $107.00 to $178.34..
Does NSN 4820-00-222-8292 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency
What is the NIIN of NSN 4820-00-222-8292?
002228292 or 00-222-8292
Does NSN 4820-00-222-8292 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-222-8292?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 11, 1969