1890800

1890800 Tube Union

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Datasheet. 1890800 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2b 1st end bulkhead

Seat Type
Indicates the type of seat in the item.

gasket

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

hemtt family (heavy expanded mobility tactical trucks) ; 2320-01-442-1940, truck, cbt, (command bridge transporter)

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

flared (tube) 2nd end

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

plain (tube) 1st 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

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

5625.0 pounds per square inch single response

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

1.000in. 1st end bulkhead ⁓1/64"

Coupling Flange Shape
The physical configuration of the coupling flange.

round

Seat Angle
The angle of the end surface upon which the mated surface seats.

37.0 degrees 2nd end

Union Joint Location
Indicates the location of the union joint on the item.

first end

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

feat

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.

1.000in. 1st end

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.

1.000in. 2nd end

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

3.687in.

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.

weapon system essential

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

steel

Media For Which Designed
The type of media for which the item is designed.

hydraulic fluid single response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

zinc

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

screwed

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 bulkhead

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf 1st end bulkhead

What is the style?

Screwed

What material is the tube union made of ?

Steel

What is the thread class?

2b 1st end bulkhead

What is the NSN for 1890800?

4730-01-356-8646

How is this classified for shipping?

Schedule B number: 7307199030
nmfc 051420
Unions, pipe, of iron or steel, cast

What's the federal classification of 1890800?

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 4730-01-356-8646 UNION,TUBE

Used on hemtt family (heavy expanded mobility tactical trucks); 2320-01-442-1940, truck,cbt,(command bridge transporter). unf 1st end bulkhead thread series screwed zinc surface treated weapon system essential 2b 1st end bulkhead thread class

NIIN
013568646
NIIN Date
04/12/92
Schedule B
7307199030 
Name Code
03788
FIIG
A080B0
Item Weight
1.600lbs
Item Dimensions
40
QUP
Historical Price
$244.03 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. A16-17J1CBHR Cage K0274

Major End Users Countries and entities

  • - Department of The Army 

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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)
Plumbing supplies 
NMFC (national motor freight code)
051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS 
UFC (universal freight code)
29090 

Similar by Design Other unions with similar characteristics

Nothing similar to this part number was found in our inventory

1890800 / Union,tubeWhat is the formal definition of this item?

A straight tube fitting capable of being taken apart and reassembled. it permits disconnection and connection of tubing or tube fittings without disturbing the end connections or the rest of the line.