Check Valve

NSN: 4820-00-003-8640 | Model: 2419740

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

NSN Properties and Flags

NATO Stock Number

4820-00-003-8640

DEMIL

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Ball

Disk Loading Method

Spring

Connection Style

Flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Seat Angle

37.0 degrees 1st end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Media For Which Designed

Hydraulic fluid, petroleum base single response

Style Designator

Straight thru

Thread Series Designator

Unf 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 4820-00-003-8640 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

2419740
0MP2749

Cage Codes:

Navair and Navsea Managed (CAGE 10001)
Triumph Actuation Systems (CAGE 33068)

Schedule B & Trade:

Schedule B: 8481301090 (NAICS 332911)

Check valves of copper having a pressure rating of 850 kpa or over
SITC: 74730

Check 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)
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.
LCL:

P - 77.5
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
N35
AAC
V
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
7h--00-
Repariability
If condemned or uneconomically repairable, then dispose at intermediate level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,526.85 to $2,544.75..
Does NSN 4820-00-003-8640 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Philippines
What is the NIIN of NSN 4820-00-003-8640?
000038640 or 00-003-8640
Does NSN 4820-00-003-8640 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-003-8640?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 27, 1972