Pressure And Temperature Relief Valve

NSN: 4820-00-145-5147 | Model: P56-344-400

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

NSN Properties and Flags

NATO Stock Number

4820-00-145-5147

DEMIL

Body Material

Steel, stainless, type 303

Body Style

Straight thru

Tempurature Rating

500.0 degrees fahrenheit

Media For Which Designed

Air or nitrogen, gaseous

First End Connection Type

Threaded external gas cylinder

First End Style Designator

Gasket seal

First End Thread Size And Series/type Designator

0.312-24 unf

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Raised face flange

Second End Style Designator

Plain

Second End Raised Face Diameter

Between 0.485 inches and 0.495 inches

Second End Flange Shape Style

Hexagon w/o bolt holes

Second End Flange Thickness

Between 0.175 inches and 0.205 inches

Second End Width Across Flats

0.500 inches

Flow Control Device

Poppet

End Connection Quantity

Valve Discharge Flow Rate

Not rated

Tempurature Adjustability

Not adjustable

Special Features

Raised face slotted eight places

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
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4820-00-145-5147 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

P56-344-400

Cage Codes:

Circor Aerospace, Inc. (CAGE 91816)

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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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)
ACC:

A - Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
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
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9so-n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,876.49 to $3,127.48..
Does NSN 4820-00-145-5147 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 Air Force, and Department Of The Navy
What is the NIIN of NSN 4820-00-145-5147?
001455147 or 00-145-5147
Does NSN 4820-00-145-5147 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-145-5147?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Sep 12, 1971