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Tube Fitting Flared Sleeve NSN 4730-01-657-4037

Item Description

A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. The inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.

NSN 4730-01-657-4037 NSN: 4730-01-657-4037

Features and Characteristics

Overall Length
0.780 inches
Sleeve Outside Diameter
4.407 inches
Hose/tube Outside Diameter For Which Designed
4.0 inches
Material
Stainless steel
Surface Treatment
Passivate
FSC
4730 Railing Fittings Lubrication Tube Pipe Hose
NIIN
016574037
NSN
4730016574037

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AS1654C64
Cage Code:
81343
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4730-01-657-4037
What are the manufacturers of nsn 4730016574037?
Does this nsn 4730016574037 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4730016574037
A flanged cylindrical metallic item designed to be used on tubing to back up the flared end and to provide a bearing surface for the coupling nut, thereby reducing wear on the tubing flare. the inside diameter of the flanged end is countersunk to form a seat for the flare when assembled to a mating fitting.
Does nsn 4730016574037 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 4730016574037 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 4730016574037?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18027
FIIG:
T385-J
App. Key:
JA
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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