Model: 1920

Check Valve

Special Features:

Steel body and poppet with parco lubrite or zinc clear chromate or zinc yellow dichromate finish; 5 dpm internal leakage; 50gpm capacity; 5 psi crack pressure; no internal packings

Properties:

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
Connection Style
Plain, optional end (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
3500.0 pounds per square inch single response
Thread Size
1.625 inches all ends
Material
Steel body
Surface Treatment
Phosphate or chromate or dichromate
Style Designator
Straight thru
Thread Series Designator
Un all ends
NSN
4820-01-522-1596
Part Number
1920
Description
Valve,check
CAGE
58143

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 1920 NSN 4820-01-522-1596

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Check valves of steel

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