Safety Relief Valve

NSN: 4820-00-078-6586 | Model: 2601

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

4820-00-078-6586

DEMIL

Pipe Size Accommodated

0.500 inches 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

400.0 degrees fahrenheit single response

Connection Style

Plain, optional en (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

14 2nd end

Adjustable Pressure Range

+5.0 to 250.0 pounds per square inch

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.500 inches 2nd end

Opening Pressure Setting

15.0 pounds per square inch

Material

Steel stem

Style Designator

Angle

Thread Series Designator

Npt 1st end

Reference Number Differentiating Characteristics

As differentiatedby adsv and end dim. Data

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.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
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HAZMAT Certified
Worldwide Shipping

NSN 4820-00-078-6586 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

2601

Cage Codes:

Crane Co (CAGE 14959)

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.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-078-6586 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Tennessee Valley Authority
What is the NIIN of NSN 4820-00-078-6586?
000786586 or 00-078-6586
Does NSN 4820-00-078-6586 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-078-6586?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963