20821-4-4

2082144 Straight Tube To Hose Adapter

Home » Catalog » Fittings (p. 1233) » Straight Tube To Hose Adapters (p. 19) » Part Number 20821-4-4

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Datasheet. 20821-4-4 specification

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

2b 1st end

Maximum Operating Temp
The maximum temperature at which the item is rated to operate for an extended period of time.

200.0 deg fahrenheit single response

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

gripping nipple (nose) 2nd end

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

swivel nut, flare (tube) style 3 optional end 1st end

Connection Type
Indicates the type of connection/s/.

threaded external hose gripping 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.

250.0 pounds per square inch single response

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

0.437in. 1st end ⁓1/64"

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

30.0 degrees 1st end

Nominal Inside Diameter Hose Accommodated
The nominal length of a straight line which passes through the center of the accommodated hose,and terminates at the inside circumference.

0.188in. 2nd end

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

0.490in. 2nd 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.

0.250in. 1st end

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

1.850in.

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

steel comp 316

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 quantity is this sold in?

1EA

What class is the thread series?

Unf 1st end

What material is the straight tube to hose adapter made of ?

Steel comp 316

What is the thread class?

2b 1st end

What is the NSN for 20821-4-4?

4730-01-336-9582

How is this classified for shipping?

Schedule B number: 7307994000
nmfc 051420
Other fittings nesoi of alloy steel not stainless

What's the federal classification of 20821-4-4?

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 4730-01-336-9582 ADAPTER,STRAIGHT,TUBE TO HOSE

unf 1st end thread series 2b 1st end thread class

NIIN: 013369582
NIIN Date: 04/05/91
Schedule B: 7307994000
Name Code: 03777
FIIG: A080B0
Item Weight: 0.100lbs
Item Dimensions: --
QUP: 1
Historical Price: $8.75 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.	725-4-4C5	Cage 98441
2.	725-4-4ZK	Cage 98441

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

Similar by Design Other adapters with similar characteristics

Nothing similar to this part number was found in our inventory

20821-4-4 / Adapter,straight,tube to hoseWhat is the formal definition of this item?

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. the other end has standard hose threads, an incomplete part of a threaded end connection that grips the hose directly, or is unthreaded and designed to accommodate a hose. it is designed to join a tube or tube fitting to a hose or hose fitting.