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Fluid Pressure Regulating Valve

NSN: 4820-00-007-4595 | Model: MILV17848

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
Body Material
Steel, astm a216, grade wcb
First End Flange Outside Diameter
7.000 inches
Body Style
Straight thru
Media For Which Designed
First End Connection Type
Raised face flange
First End Style Designator
First End Raised Face Height
0.063 inches
First End Raised Face Diameter
4.125 inches
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.625 inches
First End Bolt Hole Quantity
First End Bolt Hole Diameter
0.750 inches
First End Bolt Circle Diameter
5.500 inches
Second End Relationship With First End
Seat Material
Cobalt alloy
Face To Face Distance
11.625 inches
Flow Control Device
Disk, top guided
Flow Control Device Material
Steel astm a276 type 420
End Connection Quantity
Outlet Pressure Range
+35.0 to 125.0 pounds per square inch
Regulation Type
Automatic single stage
Valve Loading Method
Maximum Inlet Pressure Rating
150.0 pounds per square inch
Not included
Tempurature Rating
250.0 degrees fahrenheit
Nondefinitive Specification/std Data
A class and d composition
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7MC18T1950 2017-11-13 PMCMU 1 EA
SPE7MC17TR437 2017-08-07 PMCMU 6 EA

Inventory Check

The last inventory check on this NSN was done on 07/28/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 1
  • New: 13

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4820-00-007-4595 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • MILV17848
  • Y303701011
  • 21721N
  • 17390N2 1-2IN150PSI
  • LNS5D
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Leslie Controls, Inc. (CAGE 35795)
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


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


U - Precious metal content is unknown


- 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
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $23,972.31 to $39,953.84..
Does NSN 4820-00-007-4595 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, Spain, and Turkey
What is the NIIN of NSN 4820-00-007-4595?
000074595 or 00-007-4595
Does NSN 4820-00-007-4595 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-007-4595?
Solicitation SPE7MC18T1950 for qty 1 on 11/03/2017
When was this national stock number assigned to the federal catalog?
Jul 14, 1972