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Tube Coupling Nut NSN 4730-00-678-9726

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 4730-00-678-9726 NSN: 4730-00-678-9726

Features and Characteristics

Thread Class
2b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube coupling
Nut Height
0.641 inches
Width Across Flats
0.688 inches
Length To Shoulder
0.422 inches
Smallest Inside Diameter
0.344 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Tube Outside Diameter
0.312 inches
Material
Steel comp 1212 or steel comp 1118
Material Specification
Qq-s-637 federal specification all material responses
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-c-16232, type 1 military specification single treatment response
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
006789726
NSN
4730006789726

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
205-5
Cage Code:
97576
Status:
A
MSDS:
Part Number:
1787807PC3
Cage Code:
10001
Status:
A
MSDS:
Part Number:
1787809PC3
Cage Code:
10001
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 4730-00-678-9726
What are the manufacturers of nsn 4730006789726?
Does this nsn 4730006789726 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730006789726
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 4730006789726 contain any precious metals?
Precious metal content is unknown.
Does nsn 4730006789726 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730006789726?
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
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