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Tube Coupling Nut NSN 4730-00-555-1979

Item Description

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

NSN 4730-00-555-1979 NSN: 4730-00-555-1979

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
Between 0.552 inches and 0.572 inches
Drilled Hole Diameter
0.031 inches
Hole Type And Quantity
4 drilled
Width Across Flats
Between 0.865 inches and 0.877 inches
Length To Shoulder
Between 0.428 inches and 0.448 inches
Smallest Inside Diameter
Between 0.473 inches and 0.477 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Tube Outside Diameter
0.375 inches
Hole Configuration Style
Configuration b
Material
Stainless steel
Material Specification
Ams 5646 assn standard single material response
Surface Treatment
Passivate
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
005551979
NSN
4730005551979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
193880
Cage Code:
77445
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318160000
  • NAICS: 332722
  • SITC: 69421
  • Description: Nuts of iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 4730-00-555-1979
What are the manufacturers of nsn 4730005551979?
Does this nsn 4730005551979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730005551979
An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. excludes nut (1), tube coupling, reducing; and nut (1), union.
Does nsn 4730005551979 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730005551979 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730005551979?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
03859
FIIG:
A021A0
App. Key:
CX
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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