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Expansion Plug NSN 5340-00-440-5029

Item Description

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.

NSN 5340-00-440-5029 NSN: 5340-00-440-5029

Features and Characteristics

Radius
Between 0.080 inches and 0.120 inches
Outside Diameter
Between 0.976 inches and 0.982 inches
Material Thickness
Between 0.046 inches and 0.052 inches
Smallest Diameter
Between 0.961 inches and 0.967 inches
Height
0.710 inches
Material
Steel
Material Specification
Ams 5040 assn standard single material response
Style Designator
Trapped cup
FSC
5340 Commercial Hardware
NIIN
004405029
NSN
5340004405029

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2052D21
Cage Code:
0AHP5
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8402900090
  • NAICS: 332410
  • SITC: 71191
  • Description: Parts for steam or other vapor generating boilers and super-heated water boilers, except heat exchangers
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 5340-00-440-5029
What are the manufacturers of nsn 5340004405029?
Does this nsn 5340004405029 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5340004405029
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.
Does nsn 5340004405029 contain any precious metals?
Precious metal content is unknown.
Does nsn 5340004405029 contain any hazardous materials?
No information in HMIRS. Hazardous material unknown.
What is the ESD classification of nsn 5340004405029?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03797
FIIG:
A538V0
App. Key:
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
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