B-143

Gate Valve

NSN 4820-01-030-6257

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
010306257

Product Features

R.H. Thd

Technical Specifications of NSN

Bonnet Type:
Inside screw
Bonnet Attachment Method:
Union
Valve Operation Method:
Manual
Connection Type:
Threaded internal pipe
Features Provided:
Bonnet packing
Maximum Operating Pressure And Media For Which Designed:
300.0 pounds per square inch water, fresh and 1000.0 pounds per square inch water-oil-gas
Thread Size:
2.000 inches
Stem Type:
Rising
Maximum Operating Tempurature And Media For Which Designed:
450.0 degrees fahrenheit water, fresh and 450.0 degrees fahrenheit water-oil-gas
Material:
Copper alloy body
Material:
Copper alloy disk
Material:
Copper alloy seat
Material:
Copper alloy stem
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 disk
Material Specification:
Qq-c-390, alloy d4 federal specification single material response seat
Thread Series Designator:
Npt
Furnished Items And Quantity:
1 nut
Reference Number Differentiating Characteristics:
As differentiated by nom pipe size accommodated
NSN:
4820-01-030-6257
Item Name:
Wedge Disk Valve
Cage Code:
82666

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:
05482
FIIG:
A500A0
Concept No.:
1
App. Key:
Cond. Code:
2
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): "Wedge Disk Valve"

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.


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