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Restrictor Check Valve NSN 4820-00-627-8440

Item Description

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 4820-00-627-8440 NSN: 4820-00-627-8440

Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
Flareless all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.437 inches all ends
Seat Angle
12.0 degrees all ends
Special Features
Contains filter
Material
Rubber synthetic packing
Material Specification
Mil-c-5510 military specification single material response packing
Media For Which Designed
Hydraulic fluid, phosphate-ester base single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 2 military specification single treatment response
Style Designator
Straight thru
Test Data Document
91207-cva648-15-77 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
006278440
NSN
4820006278440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1R3441-2
Cage Code:
26044
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481309000
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of materials other than copper, iron or steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-627-8440
What are the manufacturers of nsn 4820006278440?
Does this nsn 4820006278440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006278440
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.
Does nsn 4820006278440 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006278440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006278440?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20520
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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