Model: 490

Gate Valve

Special Features:

0.750 in. Pipe size; r.H. Thd; 14 thds per inch

Properties:

Bonnet Type
Inside screw
Bonnet Attachment Method
U-bolt
Valve Operation Method
Manual
Connection Type
Threaded internal pipe
Features Provided
Bonnet packing
Maximum Operating Pressure And Media For Which Designed
150.0 pounds per square inch steam and 225.0 pounds per square inch water-oil-gas
Thread Size
0.750 inches
Stem Type
Rising
Material
Copper alloy disk
Material
Copper alloy seat
Material
Copper alloy stem
Material
Iron cast body
Thread Series Designator
Npt
NSN
4820-00-808-9943
Part Number
490
Description
Valve,gate
CAGE
14959

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.

Part 490 NSN 4820-00-808-9943

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05482
FIIG:
A500A0
Concept No.:
1
App. Key:
Cond. Code:
2
Status:
A

Material Classification

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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Schedule B and Export
  • Schedule B: 8481803010
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332919
  • USDA: 1

Freight Class: Gate type taps, cocks and valves of iron, hand operated

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