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Stop-check Valve NSN 4820-01-275-9100

Item Description

A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also valve (1), lift-check and valve (1), stop-lift-check.

NSN 4820-01-275-9100 NSN: 4820-01-275-9100

Features and Characteristics

Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
839.0 degrees fahrenheit single response
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Mounting Position
Horizontal
Features Provided
Bonnet packing
Valve Size
1.500 inches
Maximum Operating Pressure
300.0 pounds per square inch single response
Outside Diameter
6.125 inches all ends
Face To Face Distance
9.000 inches
Thickness
0.438 inches all ends
Bolt Hole Diameter
0.875 inches all ends
Bolt Circle Diameter
4.500 inches all ends
Flange Face Design
Raised straight all ends
Raised Face Height
0.062 inches all ends
Raised Face Diameter
2.875 inches all ends
Material
Steel uns k03504 body
Material Specification
Astm a582 grade 420 (500 bhn) assn standard single material response flow control device
Media For Which Designed
Oil 1st response
Style Designator
Straight through flanged ends
Supplementary Features
This item has been reviewed for asbestos material. The current approved source, 86520, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984
FSC
4820 Nonpowered Valves
NIIN
012759100
NSN
4820012759100

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
F-391DM 1.50IN
Cage Code:
86520
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481302090
  • NAICS: 332911
  • SITC: 74730
  • Description: Check valves of steel
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-275-9100
What are the manufacturers of nsn 4820012759100?
Does this nsn 4820012759100 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012759100
A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. in the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. in the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. the valve disk may be spring loaded. it may be inline or cartridge (manifold) design. see also valve (1), lift-check and valve (1), stop-lift-check.
Does nsn 4820012759100 contain any precious metals?
No precious metal content.
Does nsn 4820012759100 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012759100?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05486
FIIG:
A530B0
App. Key:
Cond. Code:
2
Status:
A

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