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Check Valve NSN 4820-00-450-1985

Item Description

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 4820-00-450-1985 NSN: 4820-00-450-1985

Features and Characteristics

Thread Class
3b 2nd end
Thread Direction
Right-hand all ends
Disk Loading Method
Spring
Connection Style
Gasket seal (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Mounting Position
Horizontal or vertical
Thread Size
0.562 inches all ends
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Aluminum alloy 2024 seat
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625, type 1 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unf all ends
FSC
4820 Nonpowered Valves
NIIN
004501985
NSN
4820004501985

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
864A6TBL6
Cage Code:
91816
Status:
A
MSDS:
Part Number:
CP00030-3
Cage Code:
81755
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 4820-00-450-1985
What are the manufacturers of nsn 4820004501985?
Does this nsn 4820004501985 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004501985
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.
Does nsn 4820004501985 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004501985 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004501985?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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