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Safety Relief Valve

NSN: 4820-00-348-8277 | Model: MLH32666G1

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
4820-00-348-8277
DEMIL
NO
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Operation Method
Automatic
Flange Shape
Round 1st end
Connection Type
Flange 1st end
Outside Diameter
1.055 inches 1st end
Thickness
0.210 inches 1st end
Flange Face Design
Raised straight 1st end
Raised Face Height
0.240 inches 1st end
Raised Face Diameter
0.927 inches 1st end
Material
Steel
Style Designator
Straight thru

Pricing and Availability

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NSN 4820-00-348-8277 Datasheet

Supply Class (FSC):
Nonpowered Valves
Cross Reference:
  • MLH32666G1
  • MLH32666G1
Cage Codes:
  • Rand Company Dresser (CAGE 0AT62)
  • Rand Co Dresser (CAGE 88663)
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.

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • 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
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $527.88 to $879.80..
Does NSN 4820-00-348-8277 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
What is the NIIN of NSN 4820-00-348-8277?
003488277 or 00-348-8277
Does NSN 4820-00-348-8277 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-348-8277?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 20, 1974