Safety Relief Valve

NSN: 4820-00-355-3994 | Model: S8603

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

4820-00-355-3994

DEMIL

Thread Direction

Right-hand 1st end

Flow Control Device

Ball

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit single response

End Application

Grummin aerospace a10 aircraft

Connection Style

Plain (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 2nd end

Features Provided

Valve stem lock shield

Thread Size

0.250 inches 2nd end

Opening Pressure Setting

180.0 pounds per square inch

Material

Steel stem

Style Designator

Angle

Thread Series Designator

Npt 1st end

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 4820-00-355-3994 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

S8603
S8603
8603SIZE1-4 180PS1
125
S8603
38436

Cage Codes:

Leroi International Inc (CAGE 1XBP3)
Hannifin Corporation Parker (CAGE 9F512)
Hannifin Corporation Parker (CAGE 93835)
F.c.kingston Co. (CAGE 75336)
Compair Kellogg (CAGE 53239)

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.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

P - 77.5
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
-------
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $35.36 to $58.93..
Does NSN 4820-00-355-3994 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency, Poland, Spain, Republic Of Korea, Greece, and Turkey
What is the NIIN of NSN 4820-00-355-3994?
003553994 or 00-355-3994
Does NSN 4820-00-355-3994 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-355-3994?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963