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Safety Relief Valve

NSN: 4820-00-103-5488 | Model: 559B2M10

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
4820-00-103-5488
DEMIL
NO
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Opening Pressure Setting
10.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Gas, inert 3rd response
Style Designator
Straight through w/baffle
Thread Series Designator
Npt 1st end

Inventory Check

The last inventory check on this NSN was done on 10/17/2020. Due to rapid changes in inventory this may not be the current stock qty.

  • As Removed: 1
  • New: 12
  • New Surplus: 2
  • Overhauled: 1

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 4820-00-103-5488 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • 559B2M10
Cage Codes:
  • Womack Machine Supply Company Of (CAGE 12566)
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:

    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
    -------
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $68.73 to $114.55..
Does NSN 4820-00-103-5488 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, and New Zealand
What is the NIIN of NSN 4820-00-103-5488?
001035488 or 00-103-5488
Does NSN 4820-00-103-5488 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-103-5488?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 12, 1968