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Stop-check Valve NSN 4820-00-121-6872

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 4820-00-121-6872 NSN: 4820-00-121-6872

Features and Characteristics

Pipe Size Accommodated
1.000 inches 1st end
Flow Control Device
Disk
Bonnet Type
Outside screw-yoke
Bonnet Attachment Method
Bolted
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
775.0 degrees fahrenheit single response
Connection Style
Socket (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe 1st end
Mounting Position
Horizontal or vertical
Features Provided
Valve stem lock shield and bonnet packing
Maximum Operating Pressure
1500.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Stainless steel stem
Media For Which Designed
Steam single response
Style Designator
Straight thru
Reference Number Differentiating Characteristics
Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items
FSC
4820 Nonpowered Valves
NIIN
001216872
NSN
4820001216872

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B31644C
Cage Code:
63220
Status:
A
MSDS:
Part Number:
MIL-V-22094
Cage Code:
81349
Status:
A
MSDS:
Part Number:
33311-30 W05-3084B-02TS
Cage Code:
57574
Status:
A
MSDS:
Part Number:
W05-3084B-02TSL1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
W05-3084B-02TS
Cage Code:
57574
Status:
A
MSDS:
Part Number:
B31644CL1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
MIL-V-22094L1
Cage Code:
03950
Status:
A
MSDS:
Part Number:
A7103-1L1
Cage Code:
03950
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-00-121-6872
What are the manufacturers of nsn 4820001216872?
Does this nsn 4820001216872 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001216872
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 4820001216872 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001216872 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001216872?
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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