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Fluid Pressure Regulating Valve

NSN: 4820-00-551-0757 | Model: MILR19180

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed ga (es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1) , fluid pressure regulating, aircraft.

NSN Properties and Flags
NATO Stock Number
4820-00-551-0757
DEMIL
NO
Body Material
Any acceptable
Outside Surface Treatment
Any acceptable
Body Style
Angle
Stem Material
Any acceptable
Furnished Items
Automatic relief valve
Media For Which Designed
Acetylene
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.375 inches
First End Thread Size And Series/type Designator
9/16-18 unf
First End Thread Class
3a
First End Thread Direction
Left-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal gas cylinder
Second End Style Designator
Swivel nut, inverted flare
Second End Thread Size And Series/type Designator
0.620-20 ngo
Second End Thread Direction
Right-hand
Seat Material
Any acceptable
First End Seat Angle In Deg
30.0
Flow Control Device
Disk, flat, top and bottom guided
Flow Control Device Material
Any acceptable
End Connection Quantity
2
Second End Thread Pitch Diameters
Any acceptable
Renewable Seat Ring Type
Threaded
Outlet Pressure Range
+6.5 to 7.5 pounds per square inch
Regulation Type
Manual single stage
Manual Control Method
Tee handle
Valve Stem Design
Single seat
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
350.0 pounds per square inch
Outlet Pressure Accuracy Rating
3.500 pounds per square inch
Filter
Included
Tempurature Rating
Between -40.0 degrees fahrenheit and 165.0 degrees fahrenheit
Nondefinitive Specification/std Data
1 type and a+1 class

Pricing and Availability

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NSN 4820-00-551-0757 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • MILR19180
  • 0781-6015
  • 41C3
  • PSR210
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Victor Equipment Co (CAGE 63026)
  • Hannifin Corporation Parker (CAGE 43030)
Schedule B & Trade:
  • Schedule B: 8481809015 (NAICS 332911)

    Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level

  • SITC: 74780

    Taps, cocks, valves and similar appliances, n.E.S.

  • 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.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $160.46 to $267.44..
Does NSN 4820-00-551-0757 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 Navy, U.s. Coast Guard, Brazil, Spain, Israel, Australia, Italy, Greece, and Turkey
What is the NIIN of NSN 4820-00-551-0757?
005510757 or 00-551-0757
Does NSN 4820-00-551-0757 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-551-0757?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963