Safety Relief Valve

NSN: 4820-00-018-5870 | Model: A62122

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

4820-00-018-5870

DEMIL

Thread Class

3b 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

275.0 degrees fahrenheit single response

Connection Style

Gasket sea (boss) 1st end

Valve Operation Method

Hydraulic

Connection Type

Threaded internal boss 1st end

Thready Qty Per Inch (tpi)

20 1st end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.250 inches 1st end

Opening Pressure Setting

900.0 pounds per square inch

Material

Steel comp 440c flow control device

Media For Which Designed

Hydraulic fluid, petroleum base single response

Style Designator

Straight thru

Thread Series Designator

Unjf 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 4820-00-018-5870 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

A62122
670105-1

Cage Codes:

Aire, Inc. Hydro (CAGE 81982)
Lockheed Martin Corporation (CAGE 98897)

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.
LCL:

P - 77.5
LTL:

P - 77.5
SHC:

Z - Other or no special handling required (sh)
TCC:

Z - No special type of cargo code applicable

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4820-00-018-5870 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Greece, and Turkey
What is the NIIN of NSN 4820-00-018-5870?
000185870 or 00-018-5870
Does NSN 4820-00-018-5870 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-018-5870?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961