Model: 478

Drain Cock

Properties:

Pipe Size Accommodated
0.250 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Plug
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Manual
Connection Type
Threaded external pipe 1st end
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
125.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Material
Copper alloy flow control device
Material
Copper alloy body
Material Specification
Qq-c-390, alloy b5 federal specification single material response flow control device
Material Specification
Qq-c-390, alloy b5 federal specification single material response body
Style Designator
Angle
Thread Series Designator
Npt 1st end
NSN
4820-00-810-4330
Part Number
478
Description
Cock,drain
CAGE
37239

An item with one mounting end and one free flowing end with a metal to metal valve closure. It is designed to drain fluids from radiators, boilers, and similar items.

Part 478 NSN 4820-00-810-4330

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16988
FIIG:
A530C0
Concept No.:
App. Key:
Cond. Code:
1
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: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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