Tube Fitting Locknut NSN 4730-00-277-6372

Item Description

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

NSN: 4730-00-277-6372

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Nut Style

Tube fitting locknut

Nut Height

0.281 inches

End Application

Grumman a10 aircraft; chinook helicopter ch-47

Width Across Flats

0.688 inches

Thread Series

Unf

Packing Recess Diameter

0.608 inches

Packing Recess Depth

0.042 inches

Thready Qty Per Inch (tpi)

Thread Size

0.438 inches

Tube Outside Diameter

0.250 inches

Material

Steel comp 1141

Material Specification

Qq-s-637, comp 1141 federal specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, class 2 federal specification single treatment response

Specification Data

88044-an6289 government standard

FSC

4730 Railing Fittings Lubrication Tube Pipe Hose

NIIN

002776372

NSN

4730002776372

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

AS4841

Cage Code:

81343

Status:

MSDS:

Part Number:

AS5179

Cage Code:

81343

Status:

MSDS:

Part Number:

AS5179-04

Cage Code:

81343

Status:

MSDS:

Part Number:

AN6289-4

Cage Code:

14397

Status:

MSDS:

Part Number:

10086129

Cage Code:

A486G

Status:

MSDS:

Part Number:

477 713

Cage Code:

77294

Status:

MSDS:

Part Number:

4730-277-6372

Cage Code:

SCY13

Status:

MSDS:

Part Number:

4730002776372

Cage Code:

SCY13

Status:

MSDS:

Q & A

Frequently asked questions for NSN 4730-00-277-6372

What are the manufacturers of nsn 4730002776372?

Society Of Automotive Engineers Inc (81343)
Faber Enterprises, Inc. (14397)
Aeronautical Standards Group (88044)
Nimikkeistokeskus Ncb Finland (A486G)
Piper Aircraft Inc. (77294)
E.c.a Etablissement (SCY13)

Does this nsn 4730002776372 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4730002776372
An item with internal machine threads designed to fit the external machine threads of a tube fitting. it has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. the item, when installed, provides a method of locking and sealing the connection. see also locknut, pipe; nut (1), tube coupling and nut (1), plain, hexagon.

Does nsn 4730002776372 contain any precious metals?
Precious metal content is unknown.

Does nsn 4730002776372 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4730002776372?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

17645

FIIG:

A021A0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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