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Safety Relief Valve

NSN: 4820-00-010-6019 | Model: MILV22549
ITAR Registered seal

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
4820-00-010-6019
DEMIL
Yes - ITAR Controlled (Code B)
Pipe Size Accommodated
0.500 inches all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
189.0 cubic feet per minute
Maximum Operating Temp
165.0 degrees fahrenheit single response
Connection Style
Streamlined with one brazing ring all ends
Valve Operation Method
Automatic
Connection Type
Unthreaded internal pipe all ends
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
400.0 pounds per square inch single response
Opening Pressure Setting
55.0 pounds per square inch
Material
Nickel alloy
Material Specification
Qq-n-281 federal specification 1st material response seat or qq-n-288 federal specification 2nd material response seat
Media For Which Designed
Air single response
Style Designator
Angle
Test Data Document
81349-mil-s-901 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.).
Furnished Items And Quantity
2 nut and 2 tailpiece and 1 wrench

Pricing and Availability

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NSN 4820-00-010-6019 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • MILV22549
  • MILV22549G1-2 400-33T055SBU
  • 501-5357245PIEC
  • 60-20-1/2IN SET
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Naval Inventory Control Point (CAGE 03950)
  • Naval Sea Systems Command (CAGE 53711)
  • Rgi Inc (CAGE 59375)
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.

  • 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
    Z
  • 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 $4,528.39 to $7,547.31..
Does NSN 4820-00-010-6019 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, and Turkey
What is the NIIN of NSN 4820-00-010-6019?
000106019 or 00-010-6019
Does NSN 4820-00-010-6019 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-010-6019?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 19, 1972