Restrictor Check Valve

NSN: 4820-00-003-9553 | Model: 4G14390-101A

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

NSN Properties and Flags

NATO Stock Number

4820-00-003-9553

DEMIL

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Unable To Decode

Between 0.099 inches and unable to decode

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

250.0 degrees fahrenheit single response

Connection Style

Flareless 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 2nd end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

18 2nd end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches 1st end

Seat Angle

12.0 degrees 2nd end

Outside Diameter Tube Accommodated

0.500 inches 1st end

Material

Stainless steel seat

Media For Which Designed

Oil, hydraulic single response

Style Designator

Straight thru

Thread Series Designator

Unjf 1st end

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE4A718Q1497	2018-08-22	GPP51	51 EA

Inventory Check

The last inventory check on this NSN was done on 01/30/2023. Due to rapid changes in inventory this may not be the current stock qty.

New: 1

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.

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NSN 4820-00-003-9553 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

4G14390-101A

Cage Codes:

Lockheed Martin Corporation (CAGE 98897)

Schedule B & Trade:

Schedule B: 8481302090 (NAICS 332911)

Check valves of steel
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.

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:

051080 - Faucets, bibcocks, gates valves
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:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9le-n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,319.17 to $2,198.61..
Does NSN 4820-00-003-9553 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 Air Force
What is the NIIN of NSN 4820-00-003-9553?
000039553 or 00-003-9553
Does NSN 4820-00-003-9553 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-00-003-9553?
Solicitation SPE4A718Q1497 for qty 51 on 08/09/2018
When was this national stock number assigned to the federal catalog?
May 27, 1972