Model: 21FSSB

Butterfly Valve

Properties:

Pipe Size Accommodated
4.000 inches 1st end
Valve Operation Method
Manual
Connection Type
Unthreaded internal pipe 1st end
Mounting Facility
Threaded fastener
Face To Face Distance
2.000 inches
Material
Iron body
Material
Rubber seat
Material
Steel flow control device
Material
Steel stem
Material Specification
66 federal standard single material response stem and aisi 316/sae 30316 assn standard single material response stem
Material Specification
66 federal standard single material response flow control device and aisi 316/sae 30316 assn standard single material response flow control device
Material Specification
Mil-r-15624, cl 3 military specification single material response seat
Style Designator
Straight through flanged ends
NSN
4820-00-286-7900
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 4820-00-286-7900

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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