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Safety Relief Valve

NSN: 4820-00-979-3566 | Model: ZSP6-622-1

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
4820-00-979-3566
DEMIL
NO
Thread Class
2a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Diaphragm
Disk Loading Method
Spring
Valve Discharge Flow Rate
1.2 cubic feet per minute
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
G46a plain (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Maximum Operating Pressure
1.5 pounds per square inch single response
Thread Size
0.812 inches 1st end
Opening Pressure Setting
1.7 pounds per square inch
Material
Aluminum alloy
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unef 1st end

Pricing and Availability

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NSN 4820-00-979-3566 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • ZSP6-622-1
  • 8850117
Cage Codes:
  • Zero Manufacturing, Inc. (CAGE 98376)
  • Picatinny Arsenal (CAGE 19203)
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)

  • 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

  • SHC:

    Z - Other or no special handling required (sh)

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $102.51 to $170.84..
Does NSN 4820-00-979-3566 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency, Australia, and Canada
What is the NIIN of NSN 4820-00-979-3566?
009793566 or 00-979-3566
Does NSN 4820-00-979-3566 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-979-3566?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1962