Safety Relief Valve

NSN: 4820-01-184-5444 | Model: 9642K81SS

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

4820-01-184-5444

DEMIL

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Bolted

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

500.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

1.000 inches

Adjustable Pressure Range

+131.0/+150.0 pounds per square inch

Maximum Operating Pressure

150.0 pounds per square inch single response

Outside Diameter

4.250 inches all ends

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.250 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

3.250 inches

Bolt Circle Diameter

3.125 inches all ends

Flange Face Design

Plain all ends

Material

Stainless steel seat

Media For Which Designed

Oil, hydraulic 1st response

Style Designator

Err-090

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 4820-01-184-5444 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

9642K81SS
9642
9642K81SS

Cage Codes:

Pentair Valves & Controls Us Lp (CAGE 15187)
anderson Greenwood Lp (CAGE 01343)

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.

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
X
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
3b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,428.59 to $7,380.99..
Does NSN 4820-01-184-5444 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, and Brazil
What is the NIIN of NSN 4820-01-184-5444?
011845444 or 01-184-5444
Does NSN 4820-01-184-5444 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-184-5444?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 19, 1984