443-20S2-1

Check Valve

NSN 4820-00-393-4141

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
003934141

Detail Specifications

Thread Class:
2b 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Connection Style:
Gasket seal (boss) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded internal boss 1st end
Mounting Position:
Horizontal or vertical
Thready Qty Per Inch (tpi):
12 1st end
Maximum Operating Pressure:
1700.0 pounds per square inch single response
Thread Size:
1.625 inches 1st end
Material:
Steel body
Material:
Stainless steel flow control device
Material:
Steel seat
Media For Which Designed:
Fuel/oil, hydrocarbon single response
Surface Treatment:
Cadmium
Style Designator:
Straight thru
Thread Series Designator:
Un 1st end
NSN:
4820-00-393-4141
Item Name:
Clack Valve
Cage Code:
86768

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
443-20S2-1
Cage Code:
09990
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
906825C1
Cage Code:
55820
RNCC:
5
RNVC:
9
RNAAC:
SB
Status:
A
MSDS:
SADC:

Part Identification

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

Part Materials

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:
X

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:
Z
ACC:
Construction Materials

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Clack Valve"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEFENSE LOGISTICS AGENCY Defense Logistics Agency
DSOR:
Import / Export
  • Schedule B: 8481302090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of steel


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