38

Check Valve

NSN 4820-00-689-3076

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
006893076

Technical Specifications of NSN

Flow Control Device:
Disk
Disk Loading Method:
Weight
Bolt Hole Quantity:
4 1st end
Valve Operation Method:
Automatic
Flange Shape:
Round with holes 1st end
Connection Type:
Flange 1st end
Mounting Position:
Horizontal
Maximum Operating Pressure:
150.0 pounds per square inch 1st response
Maximum Operating Pressure:
250.0 pounds per square inch 2nd response
Outside Diameter:
6.000 inches 1st end
Face To Face Distance:
8.000 inches
Thickness:
0.500 inches 1st end
Bolt Hole Diameter:
0.750 inches 1st end
Bolt Circle Diameter:
4.750 inches 1st end
Flange Face Design:
Plain 1st end
Material:
Copper alloy flow control device
Material:
Copper alloy seat
Material:
Copper alloy body
Material Specification:
Qq-c-390, alloy d4 federal specification single material response body
Material Specification:
Qq-c-390, alloy d4 federal specification single material response flow control device
Material Specification:
Qq-c-390, alloy d4 federal specification single material response seat
Media For Which Designed:
Steam 1st response
Media For Which Designed:
Water-oil-gas 2nd response
Style Designator:
Straight thru
NSN:
4820-00-689-3076
Item Name:
Nonreturn Valve
Cage Code:
14959

Other Related Parts

No other part numbers with same form, fit, and function found.

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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Definition Definition of approved item name (AIN): "Nonreturn 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:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
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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