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Tube Coupling Nut NSN 4730-00-287-0294

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 4730-00-287-0294 NSN: 4730-00-287-0294

Features and Characteristics

Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined or forged
Nut Style
Tube coupling
Nut Height
0.531 inches
Width Across Flats
Between 0.371 inches and 0.378 inches
Length To Shoulder
0.460 inches
Smallest Inside Diameter
Between 0.180 inches and 0.183 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
24
Thread Size
0.312 inches
Tube Outside Diameter
0.125 inches
Special Features
Grumman a-10 aircraft
Material
Steel comp 1137 or steel comp 1141
Material Specification
Qq-s-637 federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
002870294
NSN
4730002870294

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN818-2
Cage Code:
88044
Status:
A
MSDS:
Part Number:
MIL-F-5509A
Cage Code:
81349
Status:
A
MSDS:
Part Number:
AS4841
Cage Code:
81343
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 4730-00-287-0294
What are the manufacturers of nsn 4730002870294?
Does this nsn 4730002870294 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730002870294
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 4730002870294 contain any precious metals?
No precious metal content.
Does nsn 4730002870294 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4730002870294?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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