Model: 300000-1

Check Valve

Special Features:

Second end is a bulkhead

Properties:

Thread Class
3a 1st end
Thread Direction
Right-hand all ends
Maximum Operating Temp
165.0 degrees fahrenheit 1st response
Maximum Operating Temp
165.0 degrees fahrenheit 2nd response
Connection Style
Flareless all ends
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
16 1st end
Thready Qty Per Inch (tpi)
3a all ends
Maximum Operating Pressure
40.0 pounds per square inch 1st response
Maximum Operating Pressure
40.0 pounds per square inch 2nd response
Thread Size
0.750 inches all ends
Seat Angle
12.0 degrees all ends
Media For Which Designed
Nitrogen, gaseous 2nd response
Media For Which Designed
Air 1st response
Style Designator
Straight thru
Thread Series Designator
Unjf all ends
Reference Number Differentiating Characteristics
As differentiated by special features
NSN
4820-01-197-6854
Part Number
300000-1
Description
Valve,check
CAGE
80477

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.

Part 300000-1 NSN 4820-01-197-6854

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05487
FIIG:
A530B0
Concept No.:
1
App. Key:
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481301010
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of copper having a pressure rating under 850 kpa

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