Model: 820-2178554

Check Valve

Properties:

Pipe Size Accommodated
1.000 inches 1st end
Flow Control Device
Disk
Disk Loading Method
Weight
Connection Style
Beveled (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Butt weld pipe 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Criticality Code Justification
Zzzy
Material
Steel comp 304 body
Media For Which Designed
Steam single response
Style Designator
Straight thru
Reference Number Differentiating Characteristics
As differentiated by material in accordance with activity hxquality control, manufacturing and testing specifications
NSN
4820-00-764-1586
Part Number
820-2178554
Description
Valve,check
CAGE

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 820-2178554 NSN 4820-00-764-1586

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:
ESD:
MMAC:
CRITL:
Y

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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