Model: 417911

Expansion Plug

Special Features:

Installed in tank adapter assembly eliminates the siphoning of the agent up the pipe during extreme temp variations

Properties:

End Application
Used on ansul r-102 restaurant fire suppression system
NSN
5340-01-440-8425
Part Number
417911
Description
Plug,expansion
CAGE
03670

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

Part 417911 NSN 5340-01-440-8425

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03797
FIIG:
A538V0
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:
P
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8402900090
  • SITC: 71191
  • End Use: Industrial machines, other
  • NAICS: 332410
  • USDA: 1

Freight Class: Parts for steam or other vapor generating boilers and super-heated water boilers, except heat exchangers

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