9-1862-4

Check Valve

NSN 4820-00-125-3073

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
001253073

Product Features

2.0 psi valve opening pressure

Technical Specifications of NSN

Thread Class:
3b 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
450.0 degrees fahrenheit single response
Connection Style:
Gasket seal (boss) 1st end
Valve Operation Method:
Automatic
Connection Type:
Threaded internal boss 1st end
Connection Type:
Threaded internal boss 2nd end
Mounting Position:
Horizontal or vertical
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
0.750 inches 1st end
Outside Diameter Tube Accommodated:
0.500 inches 1st end
Material:
Aluminum alloy body
Material:
Aluminum alloy seat
Material:
Steel comp 304 flow control device and rubber butadiene-acrylonitrile class nbr flow control device and steel comp 303 flow control device
Material Specification:
Aisi 304/sae 30304 assn standard 1st material response flow control device
Media For Which Designed:
Water-oil-gas single response
Surface Treatment:
Anodize
Surface Treatment Specification:
Mil-a-8625, type 2 military specification single treatment response
Style Designator:
Straight thru
Thread Series Designator:
Unjf 1st end
NSN:
4820-00-125-3073
Item Name:
Dual Check Backflow Prevention Valve
Cage Code:
86768

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
493-8D1-2
Cage Code:
86768
RNCC:
3
RNVC:
9
RNAAC:
AX
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:
U
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:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Dual Check Backflow Prevention 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.

Import / Export
  • Schedule B: 8481309000
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of materials other than copper, iron or steel


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