1291432

Check Valve

NSN 4820-00-803-9745

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
008039745

Product Features

2.0 to 4.0 psi valve cracking pressure; designed for acetylene, hydrau lic fluid, and water-oil-gas

Technical Specifications of NSN

Thread Direction:
Right-hand all ends
Flow Control Device:
Poppet
Disk Loading Method:
Spring
Maximum Operating Temp:
-40.0 degrees fahrenheit 1st response
Maximum Operating Temp:
250.0 degrees fahrenheit 2nd response
Connection Style:
Plain, optional end (pipe) all ends
Valve Operation Method:
Automatic
Connection Type:
Threaded internal pipe all ends
Mounting Position:
Horizontal or vertical
Maximum Operating Pressure:
3000.0 pounds per square inch single response
Thread Size:
1.250 inches all ends
Material:
Copper alloy
Media For Which Designed:
Acetylene 2nd response
Media For Which Designed:
Air 1st response
Media For Which Designed:
Alcohol, ethyl 3rd response
Media For Which Designed:
Ammonia, gaseous 4th response
Media For Which Designed:
Carbon dioxide 5th response
Style Designator:
Straight thru
Thread Series Designator:
Npt all ends
NSN:
4820-00-803-9745
Item Name:
Dual Check Backflow Prevention Valve
Cage Code:
80064

Other Related Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
249B10PP
Cage Code:
91816
RNCC:
5
RNVC:
2
RNAAC:
PA
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

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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.

MOE Major Organizational Entities

Entity
DSOR
User:
SPAIN Spain
DSOR:
User:
CANADA Canada
DSOR:
User:
GREECE Greece
DSOR:
Import / Export
  • Schedule B: 8481301090
  • SITC: 74730
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Classification: Check valves of copper having a pressure rating of 850 kpa or over


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