Model: 21FSSB

Butterfly Valve

Properties:

Bolt Hole Quantity
2 1st end
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Connection Type
Flange 1st end
Maximum Operating Pressure
200.0 pounds per square inch single response
Flange Face Design
Raised straight 1st end
Material
Iron cast body
Material
Rubber seat
Material
Steel stem
Material Specification
66 federal standard single material response stem and aisi 304/sae 30304 assn standard single material response stem
Material Specification
Mil-r-15624, cl 3 military specification single material response seat
Style Designator
Straight thru
NSN
4820-00-228-2179
Part Number
21FSSB
Description
Valve,butterfly
CAGE
14959

A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.

Part 21FSSB NSN 4820-00-228-2179

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05489
FIIG:
A046B0
Concept No.:
1
App. Key:
AC
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: 8481803030
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332919
  • USDA: 1

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

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