525786-1

5257861 Tube Coupling

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Datasheet. 525786-1 specification

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

rast sytem helicopter landing system; nha: 6534E401

Connection Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

plain (tube) 1st end

Connection Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the connection.

plain (tube) 2nd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 2nd end

Connection Type
Indicates the type of connection/s/.

threaded internal tube 1st end

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

16 1st end

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

16 2nd end

Maximum Operating Pressure
The maximum pressure at which the item is rated for operation.

6000.0 pounds per square inch single response

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.750in. 2nd end ⁓2-1/64"

Nominal Outside Diameter Tube Accommodated
The nominal length of a straight line which passes through the center of the accommodated tube,and terminates at the outside circumference.

0.500in. 1st end

Nominal Overall Length
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

1.440in.

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

male connector

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

nut near middle of connector is 1.060 across flats

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel comp 304 or steel comp 316

Style Designator
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

threaded external rigid, threaded internal swivel

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf 2nd end

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf 1st end

Answers.

What class is the thread series?

Unf 1st end

What class is the thread series?

Unf 2nd end

What is the style?

Threaded external rigid, threaded internal swivel

What material is the tube coupling made of ?

Steel comp 304 or steel comp 316

What is the thread quantity per inch?

16 2nd end

What is the thread quantity per inch?

16 1st end

What is the NSN for 525786-1?

4730-01-645-1735

What's the federal classification of 525786-1?

FSC 4730 ⁓ Hose, pipe, tube, lubrication, and railing fittings

Excluding air conditioning-heating fittings (fsc 4520); bituminized fiber and concrete fittings (fsc 5630); conduit boxes and fittings (fsc 5975); downspout fittings (fsc 5670); medical and surgical fittings (fsc 6515); laboratory fittings (fsc 6640); post caps and rail ends (fsc 5660); machine thread bushings and plugs (fsc 5365).

NSN 4730-01-645-1735 COUPLING,TUBE

Used on rast sytem helicopter landing system; nha: 6534e401. unf 1st end thread series threaded external rigid, threaded internal swivel nut near middle of connector is 1.060 across flats male connector 16 2nd end thread quantity per inch

NIIN
016451735
NIIN Date
06/05/15
Schedule B
 
Name Code
06078
FIIG
A080B0
DEMIL / ITAR
Uncontrolled item (Code )
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal and metal products, nos, (less than 35 feet) 
NMFC (national motor freight code)
052190 PIPE,TUBING,OR PIPE OR TUBING FITTI 
UFC (universal freight code)
30000 

Similar by Design Other couplings with similar characteristics

Nothing similar to this part number was found in our inventory

525786-1 / Coupling,tubeWhat is the formal definition of this item?

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. it is designed to join a tube or tube fitting to another tube or tube fitting. excludes fittings with threaded external connections on both ends. excludes nipple, pipe.