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Fluid Pressure Regulating Valve

NSN: 4820-00-181-8958 | Model: F1370

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
4820-00-181-8958
DEMIL
NO
Body Material
Any acceptableany acceptable
First End Flange Outside Diameter
4.500 inches 4.500 inches
Body Style
Straight thrustraight thru
Stem Material
Any acceptableany acceptable
Media For Which Designed
Water, fresh and water, fresh and water, saltwater, salt
First End Connection Type
Plain face flangeplain face flange
First End Style Designator
Plainplain
First End Flange Shape Style
Round w/ bolt holesround w/ bolt holes
First End Flange Thickness
0.438 inches 0.438 inches
First End Bolt Hole Quantity
44
First End Bolt Hole Diameter
0.563 inches 0.563 inches
First End Bolt Circle Diameter
3.375 inches 3.375 inches
Second End Relationship With First End
Identicalidentical
Seat Material
Any acceptableany acceptable
Face To Face Distance
7.938 inches 7.938 inches
Packing Material
Any acceptableany acceptable
Flow Control Device
Diaphragmdiaphragm
Flow Control Device Material
Any acceptableany acceptable
End Connection Quantity
22
Renewable Seat Ring Type
Threadedthreaded
Outlet Pressure Range
+25.0 to 60.0 pounds per square inch+25.0 to 60.0 pounds per square inch
Regulation Type
Automatic double stage
Valve Stem Design
Single seat
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
150.0 pounds per square inch
Outlet Pressure Accuracy Rating
Not rated
Filter
Not included
Special Test Features
High-impact shock tests are required as directed in paragraphs 3.6 and 4.4.2.3 of mil-v-2042 in pack test above
Test Data Document
81349-milv2042 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
2 type

Pricing and Availability

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NSN 4820-00-181-8958 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • F1370
  • F13702FF1B
  • 4207-D27994
  • MILV2042
  • F137002HF1B
Cage Codes:
  • American Society For Testing and (CAGE 81346)
  • Kieley and Mueller Inc (CAGE 33547)
  • Military Specifications (CAGE 81349)
Replacements:
  • 4820-00-181-8958 replaces 4820-00-287-2709
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:

    051080 - Faucets, bibcocks, gates valves

  • WCC:

    576 - Metal and metal products, nos, (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:

    W - Rating variable

  • 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
    3b-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $5,282.94 to $8,804.90..
Does NSN 4820-00-181-8958 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, Spain, Portugal, Italy, Greece, and Turkey
What is the NIIN of NSN 4820-00-181-8958?
001818958 or 00-181-8958
Does NSN 4820-00-181-8958 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-181-8958?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 24, 1970