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Safety Relief Valve

NSN: 4820-00-550-6786 | Model: 1A30-01-V-0-E-D-304

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
4820-00-550-6786
DEMIL
NO
Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Spool
Valve Discharge Flow Rate
40.0 gallons per minute
Connection Style
Plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded cartridge all ends
Thready Qty Per Inch (tpi)
14 all ends
Adjustable Pressure Range
+500.0/+6000.0 pounds per square inch
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.000 inches all ends
Material
Aluminum alloy body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Screw-in cartridge
Thread Series Designator
Uns all ends

Pricing and Availability

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NSN 4820-00-550-6786 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 1A30-01-V-0-E-D-304
  • 1A30F60S
  • 322862P1
  • 322862P1
  • 1A30F60SV
Cage Codes:
  • Danfoss Fluid Power Inc (CAGE 8Z296)
  • Meggitt (north Hollywood), Inc. (CAGE 58163)
  • Howden Fluid Systems (CAGE 33654)
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:

    051080 - Faucets, bibcocks, gates valves

  • 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:

    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
    Item requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. refer to appropriate manuals or directives for specific instructions.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $446.92 to $744.86..
Does NSN 4820-00-550-6786 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 Air Force, Department Of The Navy, National Aeronautics and Space Administration, Spain, and Canada
What is the NIIN of NSN 4820-00-550-6786?
005506786 or 00-550-6786
Does NSN 4820-00-550-6786 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-550-6786?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 20, 1974