T255B

Globe Valve

NSN 4820-00-223-3506

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
002233506

Technical Specifications of NSN

Pipe Size Accommodated:
0.250 inches 1st end
Thread Direction:
Right-hand 1st end
Flow Control Device:
Disk
Bonnet Type:
Inside screw
Bonnet Attachment Method:
Threaded
Connection Style:
G9 plain, optional en (pipe) 1st end
Connection Style:
Plain, optional en (pipe) 1st end
Valve Operation Method:
Manual
Connection Type:
Threaded internal pipe 1st end
Features Provided:
Bonnet packing
Thready Qty Per Inch (tpi):
18 1st end
Maximum Operating Pressure:
200.0 pounds per square inch 1st response
Maximum Operating Pressure:
400.0 pounds per square inch 2nd response
Thread Size:
0.250 inches 1st end
Material:
Copper alloy
Material Specification:
Astm b371, alloy a assn standard single material response 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 flow control device
Material Specification:
Qq-c-390, alloy d4 federal specification single material response seat
Media For Which Designed:
Sulphur dioxide, gaseous 1st response
Media For Which Designed:
Water-oil-gas 2nd response
Style Designator:
Straight thru
Thread Series Designator:
Npt 1st end
NSN:
4820-00-223-3506
Item Name:
Guarding Valve
Cage Code:
12168

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:
05485
FIIG:
A046B0
Concept No.:
1
App. Key:
AT
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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Definition Definition of approved item name (AIN): "Guarding Valve"

A valve with one inlet and one outlet connection with outlet flow parallel to inlet flow. The flow is controlled by the action of a stem which lifts the disk perpendicularly off the center axis of its seat. The stem is at a 90 degree (1.5708 radians) angle to axis of flow. Excludes valve, stop-check; cock, shutoff, screw stem; and valve, solenoid.

MOE Major Organizational Entities

Entity
DSOR
User:
TENNESSEE VALLEY AUTHORITY Tennessee Valley Authority
DSOR:

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