Safety Relief Valve

NSN: 4820-01-654-0611 | Model: VSSF-8RT-3SS-XS-90

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

4820-01-654-0611

DEMIL

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Bolt Hole Quantity

8 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

2.00 inches

Opening Pressure Setting

90.00 pounds per square inch

Outside Diameter

6.50 inches all ends

Thickness

0.875 inches all ends

First Connection Face To Centerline Distance

4.5625 inches

Bolt Hole Diameter

0.75 inches all ends

Second Connection Face To Centerline Distance

4.5625 inches

Bolt Circle Diameter

5.00 inches all ends

Flange Face Design

Raised straight all ends

Raised Face Height

0.0625 inches all ends

Raised Face Diameter

0.625 inches all ends

Material

Steel stainless body

Style Designator

Angle flanged ends

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 4820-01-654-0611 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

VSSF-8RT-3SS-XS-90

Cage Codes:

Ruthman Pump and Engineering Inc (CAGE 23724)

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 $3,033.69 to $5,056.16..
Does NSN 4820-01-654-0611 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 4820-01-654-0611?
016540611 or 01-654-0611
Does NSN 4820-01-654-0611 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-654-0611?
No solicitations for this NSN.