U401981-1

U4019811 Straight Flange To Tube Adapter

Home » Catalog » Fittings (p. 1353) » Straight Flange To Tube Adapters (p. 5) » Part Number U401981-1

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Datasheet. U401981-1 specification

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

2a 1st end

Bolt Hole Quantity
The number of bolt holes provided on the item.

4 2nd end

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

plain (tube) 1st end

Nominal Width
A nominal measurement taken at right angles to the length of an item,in distinction from thickness.

3.000in. 2nd end

Nominal Length
A nominal measurement of the longest dimension of an item,in distinction from width.

3.000in. 2nd end

Flange Shape
The physical configuration of the flange.

rectangular with holes 2nd end

Connection Type
Indicates the type of connection/s/.

flange 2nd end

Connection Type
Indicates the type of connection/s/.

threaded external tube 1st end

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

2.000in. 1st end ⁓1/64"

Nominal Thickness
A nominal measurement of the smallest dimension of an item,in distinction from length or width.

0.188in. 2nd end

Bolt Hole Nominal Diameter
The nominal length of a straight line which passes through the center of the bolt hole,and terminates at the circumference.

0.328in. 2nd end

Flange Face Design
The design of the flange face.

plain 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.

1.500in. 1st end

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

1.130in.

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

aluminum alloy 2024

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.

anodize

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.

un 1st end

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Un 1st end

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

Aluminum alloy 2024

What is the bolt hole quantity?

4 2nd end

What is the thread class?

2a 1st end

What is the NSN for U401981-1?

4730-01-296-2974

How is this classified for shipping?

Schedule B number: 7609000000
nmfc 051400
Aluminum tube or pipe fittings (couplings,elbows sleeves)

What's the federal classification of U401981-1?

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 4730-01-296-2974 ADAPTER,STRAIGHT,FLANGE TO TUBE

un 1st end thread series anodize surface treated 4 2nd end bolt hole quantity 2a 1st end thread class

NIIN: 012962974
NIIN Date: 03/17/89
Schedule B: 7609000000
Name Code: 29657
FIIG: A080B0
Item Weight: 0.100lbs
Item Dimensions: --
QUP: 1
Historical Price: $1,206.35 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

U401981

Cage 08118

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): 77.5
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): 051400 PIPE FITTINGS ALUMINUM
UFC (universal freight code): 29700

Similar by Design Other adapters with similar characteristics

Nothing similar to this part number was found in our inventory

U401981-1 / Adapter,straight,flange to tubeWhat is the formal definition of this item?

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. the other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. it is designed to join a flange or flange fitting to a tube or tube fitting in a straight line.